Finding the Fourth Proportional to 215,720.47, 297,695.25 and 125,130.07
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Solution
The fourth proportional to 215,720.47, 297,695.25 and 125,130.07 is: 172,680.08
Step by Step Solution
- Step 1: Write the proportion equation
215,720.47 : 297,695.25 = 125,130.07 : x - Step 2: Convert to fraction form
215,720.47/297,695.25 = 125,130.07/x - Step 3: Cross multiply
215,720.47x = 297,695.25 × 125,130.07 - Step 4: Simplify right side
215,720.47x = 37,250,627,471.17 - Step 5: Solve for x
x = 37,250,627,471.17/215,720.47 - Step 6: Final answer
x = 172,680.08
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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.