Finding the Fourth Proportional to 272,725.48, 408,898.02 and 120,839.95
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Solution
The fourth proportional to 272,725.48, 408,898.02 and 120,839.95 is: 181,175.65
Step by Step Solution
- Step 1: Write the proportion equation
272,725.48 : 408,898.02 = 120,839.95 : x - Step 2: Convert to fraction form
272,725.48/408,898.02 = 120,839.95/x - Step 3: Cross multiply
272,725.48x = 408,898.02 × 120,839.95 - Step 4: Simplify right side
272,725.48x = 49,411,217,256.17 - Step 5: Solve for x
x = 49,411,217,256.17/272,725.48 - Step 6: Final answer
x = 181,175.65
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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.