Finding the Fourth Proportional to 514,312.20, 771,591.48 and 214,626.08
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Solution
The fourth proportional to 514,312.20, 771,591.48 and 214,626.08 is: 321,990.52
Step by Step Solution
- Step 1: Write the proportion equation
514,312.20 : 771,591.48 = 214,626.08 : x - Step 2: Convert to fraction form
514,312.20/771,591.48 = 214,626.08/x - Step 3: Cross multiply
514,312.20x = 771,591.48 × 214,626.08 - Step 4: Simplify right side
514,312.20x = 165,603,654,713.80 - Step 5: Solve for x
x = 165,603,654,713.80/514,312.20 - Step 6: Final answer
x = 321,990.52
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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.