Finding the Fourth Proportional to 260,465.06, 392,649.75 and 243,104.97
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Solution
The fourth proportional to 260,465.06, 392,649.75 and 243,104.97 is: 366,479.50
Step by Step Solution
- Step 1: Write the proportion equation
260,465.06 : 392,649.75 = 243,104.97 : x - Step 2: Convert to fraction form
260,465.06/392,649.75 = 243,104.97/x - Step 3: Cross multiply
260,465.06x = 392,649.75 × 243,104.97 - Step 4: Simplify right side
260,465.06x = 95,455,105,694.26 - Step 5: Solve for x
x = 95,455,105,694.26/260,465.06 - Step 6: Final answer
x = 366,479.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.