Finding the Fourth Proportional to 416,201.20, 574,359.68 and 234,920.80
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Solution
The fourth proportional to 416,201.20, 574,359.68 and 234,920.80 is: 324,191.85
Step by Step Solution
- Step 1: Write the proportion equation
416,201.20 : 574,359.68 = 234,920.80 : x - Step 2: Convert to fraction form
416,201.20/574,359.68 = 234,920.80/x - Step 3: Cross multiply
416,201.20x = 574,359.68 × 234,920.80 - Step 4: Simplify right side
416,201.20x = 134,929,035,513.34 - Step 5: Solve for x
x = 134,929,035,513.34/416,201.20 - Step 6: Final answer
x = 324,191.85
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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.