Finding the Fourth Proportional to 412,755.17, 619,132.89 and 272,480.99
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Solution
The fourth proportional to 412,755.17, 619,132.89 and 272,480.99 is: 408,721.57
Step by Step Solution
- Step 1: Write the proportion equation
412,755.17 : 619,132.89 = 272,480.99 : x - Step 2: Convert to fraction form
412,755.17/619,132.89 = 272,480.99/x - Step 3: Cross multiply
412,755.17x = 619,132.89 × 272,480.99 - Step 4: Simplify right side
412,755.17x = 168,701,942,808.76 - Step 5: Solve for x
x = 168,701,942,808.76/412,755.17 - Step 6: Final answer
x = 408,721.57
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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.