Finding the Fourth Proportional to 487,854.12, 730,715.43 and 202,680.05
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Solution
The fourth proportional to 487,854.12, 730,715.43 and 202,680.05 is: 303,577.30
Step by Step Solution
- Step 1: Write the proportion equation
487,854.12 : 730,715.43 = 202,680.05 : x - Step 2: Convert to fraction form
487,854.12/730,715.43 = 202,680.05/x - Step 3: Cross multiply
487,854.12x = 730,715.43 × 202,680.05 - Step 4: Simplify right side
487,854.12x = 148,101,436,234.59 - Step 5: Solve for x
x = 148,101,436,234.59/487,854.12 - Step 6: Final answer
x = 303,577.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.