Finding the Fourth Proportional to 472,220.67, 651,682.11 and 268,306.17
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Solution
The fourth proportional to 472,220.67, 651,682.11 and 268,306.17 is: 370,272.50
Step by Step Solution
- Step 1: Write the proportion equation
472,220.67 : 651,682.11 = 268,306.17 : x - Step 2: Convert to fraction form
472,220.67/651,682.11 = 268,306.17/x - Step 3: Cross multiply
472,220.67x = 651,682.11 × 268,306.17 - Step 4: Simplify right side
472,220.67x = 174,850,329,553.96 - Step 5: Solve for x
x = 174,850,329,553.96/472,220.67 - Step 6: Final answer
x = 370,272.50
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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.