Finding the Fourth Proportional to 471,353.27, 707,140.61 and 155,810.17
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Solution
The fourth proportional to 471,353.27, 707,140.61 and 155,810.17 is: 233,751.84
Step by Step Solution
- Step 1: Write the proportion equation
471,353.27 : 707,140.61 = 155,810.17 : x - Step 2: Convert to fraction form
471,353.27/707,140.61 = 155,810.17/x - Step 3: Cross multiply
471,353.27x = 707,140.61 × 155,810.17 - Step 4: Simplify right side
471,353.27x = 110,179,694,343.25 - Step 5: Solve for x
x = 110,179,694,343.25/471,353.27 - Step 6: Final answer
x = 233,751.84
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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.