Finding the Fourth Proportional to 370,204.05, 555,306.07 and 89,721.30
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Solution
The fourth proportional to 370,204.05, 555,306.07 and 89,721.30 is: 134,581.95
Step by Step Solution
- Step 1: Write the proportion equation
370,204.05 : 555,306.07 = 89,721.30 : x - Step 2: Convert to fraction form
370,204.05/555,306.07 = 89,721.30/x - Step 3: Cross multiply
370,204.05x = 555,306.07 × 89,721.30 - Step 4: Simplify right side
370,204.05x = 49,822,782,273.99 - Step 5: Solve for x
x = 49,822,782,273.99/370,204.05 - Step 6: Final answer
x = 134,581.95
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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.