Finding the Fourth Proportional to 472,706.32, 708,951.48 and 135,744.31
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Solution
The fourth proportional to 472,706.32, 708,951.48 and 135,744.31 is: 203,585.45
Step by Step Solution
- Step 1: Write the proportion equation
472,706.32 : 708,951.48 = 135,744.31 : x - Step 2: Convert to fraction form
472,706.32/708,951.48 = 135,744.31/x - Step 3: Cross multiply
472,706.32x = 708,951.48 × 135,744.31 - Step 4: Simplify right side
472,706.32x = 96,236,129,476.08 - Step 5: Solve for x
x = 96,236,129,476.08/472,706.32 - Step 6: Final answer
x = 203,585.45
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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.