Finding the Fourth Proportional to 155,701.13, 233,568.09 and 71,446.95
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Solution
The fourth proportional to 155,701.13, 233,568.09 and 71,446.95 is: 107,177.95
Step by Step Solution
- Step 1: Write the proportion equation
155,701.13 : 233,568.09 = 71,446.95 : x - Step 2: Convert to fraction form
155,701.13/233,568.09 = 71,446.95/x - Step 3: Cross multiply
155,701.13x = 233,568.09 × 71,446.95 - Step 4: Simplify right side
155,701.13x = 16,687,727,647.83 - Step 5: Solve for x
x = 16,687,727,647.83/155,701.13 - Step 6: Final answer
x = 107,177.95
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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.