Finding the Fourth Proportional to 487,129.34, 672,240.97 and 272,264.79
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Solution
The fourth proportional to 487,129.34, 672,240.97 and 272,264.79 is: 375,726.80
Step by Step Solution
- Step 1: Write the proportion equation
487,129.34 : 672,240.97 = 272,264.79 : x - Step 2: Convert to fraction form
487,129.34/672,240.97 = 272,264.79/x - Step 3: Cross multiply
487,129.34x = 672,240.97 × 272,264.79 - Step 4: Simplify right side
487,129.34x = 183,027,549,387.68 - Step 5: Solve for x
x = 183,027,549,387.68/487,129.34 - Step 6: Final answer
x = 375,726.80
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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.