Finding the Fourth Proportional to 514,331.91, 771,621.04 and 214,645.79
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Solution
The fourth proportional to 514,331.91, 771,621.04 and 214,645.79 is: 322,020.09
Step by Step Solution
- Step 1: Write the proportion equation
514,331.91 : 771,621.04 = 214,645.79 : x - Step 2: Convert to fraction form
514,331.91/771,621.04 = 214,645.79/x - Step 3: Cross multiply
514,331.91x = 771,621.04 × 214,645.79 - Step 4: Simplify right side
514,331.91x = 165,625,207,711.42 - Step 5: Solve for x
x = 165,625,207,711.42/514,331.91 - Step 6: Final answer
x = 322,020.09
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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.