Finding the Fourth Proportional to 479,061.99, 718,470.36 and 142,023.87
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Solution
The fourth proportional to 479,061.99, 718,470.36 and 142,023.87 is: 212,999.45
Step by Step Solution
- Step 1: Write the proportion equation
479,061.99 : 718,470.36 = 142,023.87 : x - Step 2: Convert to fraction form
479,061.99/718,470.36 = 142,023.87/x - Step 3: Cross multiply
479,061.99x = 718,470.36 × 142,023.87 - Step 4: Simplify right side
479,061.99x = 102,039,941,007.49 - Step 5: Solve for x
x = 102,039,941,007.49/479,061.99 - Step 6: Final answer
x = 212,999.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.