Finding the Fourth Proportional to 438,557.99, 657,892.33 and 154,181.70
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Solution
The fourth proportional to 438,557.99, 657,892.33 and 154,181.70 is: 231,292.01
Step by Step Solution
- Step 1: Write the proportion equation
438,557.99 : 657,892.33 = 154,181.70 : x - Step 2: Convert to fraction form
438,557.99/657,892.33 = 154,181.70/x - Step 3: Cross multiply
438,557.99x = 657,892.33 × 154,181.70 - Step 4: Simplify right side
438,557.99x = 101,434,957,470.91 - Step 5: Solve for x
x = 101,434,957,470.91/438,557.99 - Step 6: Final answer
x = 231,292.01
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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.