Finding the Fourth Proportional to 220,715.91, 304,588.38 and 125,204.13
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Solution
The fourth proportional to 220,715.91, 304,588.38 and 125,204.13 is: 172,781.94
Step by Step Solution
- Step 1: Write the proportion equation
220,715.91 : 304,588.38 = 125,204.13 : x - Step 2: Convert to fraction form
220,715.91/304,588.38 = 125,204.13/x - Step 3: Cross multiply
220,715.91x = 304,588.38 × 125,204.13 - Step 4: Simplify right side
220,715.91x = 38,135,723,126.01 - Step 5: Solve for x
x = 38,135,723,126.01/220,715.91 - Step 6: Final answer
x = 172,781.94
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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.