Finding the Fourth Proportional to 514,230.30, 771,439.05 and 177,319.26
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Solution
The fourth proportional to 514,230.30, 771,439.05 and 177,319.26 is: 266,011.17
Step by Step Solution
- Step 1: Write the proportion equation
514,230.30 : 771,439.05 = 177,319.26 : x - Step 2: Convert to fraction form
514,230.30/771,439.05 = 177,319.26/x - Step 3: Cross multiply
514,230.30x = 771,439.05 × 177,319.26 - Step 4: Simplify right side
514,230.30x = 136,791,001,481.10 - Step 5: Solve for x
x = 136,791,001,481.10/514,230.30 - Step 6: Final answer
x = 266,011.17
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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.