Finding the Fourth Proportional to 371,979.26, 513,337.11 and 202,214.06
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Solution
The fourth proportional to 371,979.26, 513,337.11 and 202,214.06 is: 279,058.52
Step by Step Solution
- Step 1: Write the proportion equation
371,979.26 : 513,337.11 = 202,214.06 : x - Step 2: Convert to fraction form
371,979.26/513,337.11 = 202,214.06/x - Step 3: Cross multiply
371,979.26x = 513,337.11 × 202,214.06 - Step 4: Simplify right side
371,979.26x = 103,803,981,161.77 - Step 5: Solve for x
x = 103,803,981,161.77/371,979.26 - Step 6: Final answer
x = 279,058.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.