Finding the Fourth Proportional to 486,981.74, 672,033.32 and 272,122.02
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Solution
The fourth proportional to 486,981.74, 672,033.32 and 272,122.02 is: 375,527.56
Step by Step Solution
- Step 1: Write the proportion equation
486,981.74 : 672,033.32 = 272,122.02 : x - Step 2: Convert to fraction form
486,981.74/672,033.32 = 272,122.02/x - Step 3: Cross multiply
486,981.74x = 672,033.32 × 272,122.02 - Step 4: Simplify right side
486,981.74x = 182,875,064,545.71 - Step 5: Solve for x
x = 182,875,064,545.71/486,981.74 - Step 6: Final answer
x = 375,527.56
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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.