Finding the Fourth Proportional to 343,948.28, 516,121.68 and 144,250.88
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Solution
The fourth proportional to 343,948.28, 516,121.68 and 144,250.88 is: 216,459.89
Step by Step Solution
- Step 1: Write the proportion equation
343,948.28 : 516,121.68 = 144,250.88 : x - Step 2: Convert to fraction form
343,948.28/516,121.68 = 144,250.88/x - Step 3: Cross multiply
343,948.28x = 516,121.68 × 144,250.88 - Step 4: Simplify right side
343,948.28x = 74,451,006,527.08 - Step 5: Solve for x
x = 74,451,006,527.08/343,948.28 - Step 6: Final answer
x = 216,459.89
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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.