Finding the Fourth Proportional to 272,473.65, 408,593.84 and 85,499.73
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Solution
The fourth proportional to 272,473.65, 408,593.84 and 85,499.73 is: 128,212.99
Step by Step Solution
- Step 1: Write the proportion equation
272,473.65 : 408,593.84 = 85,499.73 : x - Step 2: Convert to fraction form
272,473.65/408,593.84 = 85,499.73/x - Step 3: Cross multiply
272,473.65x = 408,593.84 × 85,499.73 - Step 4: Simplify right side
272,473.65x = 34,934,662,572.16 - Step 5: Solve for x
x = 34,934,662,572.16/272,473.65 - Step 6: Final answer
x = 128,212.99
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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.