Finding the Fourth Proportional to 207,520.13, 310,781.19 and 118,503.83
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Solution
The fourth proportional to 207,520.13, 310,781.19 and 118,503.83 is: 177,470.79
Step by Step Solution
- Step 1: Write the proportion equation
207,520.13 : 310,781.19 = 118,503.83 : x - Step 2: Convert to fraction form
207,520.13/310,781.19 = 118,503.83/x - Step 3: Cross multiply
207,520.13x = 310,781.19 × 118,503.83 - Step 4: Simplify right side
207,520.13x = 36,828,761,306.96 - Step 5: Solve for x
x = 36,828,761,306.96/207,520.13 - Step 6: Final answer
x = 177,470.79
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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.