Finding the Fourth Proportional to 215,489.57, 297,375.59 and 124,898.09
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Solution
The fourth proportional to 215,489.57, 297,375.59 and 124,898.09 is: 172,359.35
Step by Step Solution
- Step 1: Write the proportion equation
215,489.57 : 297,375.59 = 124,898.09 : x - Step 2: Convert to fraction form
215,489.57/297,375.59 = 124,898.09/x - Step 3: Cross multiply
215,489.57x = 297,375.59 × 124,898.09 - Step 4: Simplify right side
215,489.57x = 37,141,642,579.13 - Step 5: Solve for x
x = 37,141,642,579.13/215,489.57 - Step 6: Final answer
x = 172,359.35
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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.