Finding the Fourth Proportional to 319,721.74, 441,184.53 and 176,472.52
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Solution
The fourth proportional to 319,721.74, 441,184.53 and 176,472.52 is: 243,514.71
Step by Step Solution
- Step 1: Write the proportion equation
319,721.74 : 441,184.53 = 176,472.52 : x - Step 2: Convert to fraction form
319,721.74/441,184.53 = 176,472.52/x - Step 3: Cross multiply
319,721.74x = 441,184.53 × 176,472.52 - Step 4: Simplify right side
319,721.74x = 77,856,945,794.12 - Step 5: Solve for x
x = 77,856,945,794.12/319,721.74 - Step 6: Final answer
x = 243,514.71
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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.