Finding the Fourth Proportional to 468,257.49, 646,190.06 and 253,393.65
Calculator
Solution
The fourth proportional to 468,257.49, 646,190.06 and 253,393.65 is: 349,680.38
Step by Step Solution
- Step 1: Write the proportion equation
468,257.49 : 646,190.06 = 253,393.65 : x - Step 2: Convert to fraction form
468,257.49/646,190.06 = 253,393.65/x - Step 3: Cross multiply
468,257.49x = 646,190.06 × 253,393.65 - Step 4: Simplify right side
468,257.49x = 163,740,456,630.15 - Step 5: Solve for x
x = 163,740,456,630.15/468,257.49 - Step 6: Final answer
x = 349,680.38
Related Problems
Find fourth proportional to 234,128.75, 323,095.03 and 126,696.83
Half scale
Find fourth proportional to 936,514.98, 1,292,380.11 and 506,787.30
Double scale
Find fourth proportional to 468,258.49, 646,191.43 and 253,394.65
Similar ratio
Find fourth proportional to 702,386.24, 969,285.08 and 380,090.48
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.