Finding the Fourth Proportional to 154,744.87, 232,184.12 and 83,717.55
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Solution
The fourth proportional to 154,744.87, 232,184.12 and 83,717.55 is: 125,612.47
Step by Step Solution
- Step 1: Write the proportion equation
154,744.87 : 232,184.12 = 83,717.55 : x - Step 2: Convert to fraction form
154,744.87/232,184.12 = 83,717.55/x - Step 3: Cross multiply
154,744.87x = 232,184.12 × 83,717.55 - Step 4: Simplify right side
154,744.87x = 19,437,885,675.31 - Step 5: Solve for x
x = 19,437,885,675.31/154,744.87 - Step 6: Final answer
x = 125,612.47
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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.