Finding the Fourth Proportional to 344,032.68, 516,080.61 and 133,687.02
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Solution
The fourth proportional to 344,032.68, 516,080.61 and 133,687.02 is: 200,542.81
Step by Step Solution
- Step 1: Write the proportion equation
344,032.68 : 516,080.61 = 133,687.02 : x - Step 2: Convert to fraction form
344,032.68/516,080.61 = 133,687.02/x - Step 3: Cross multiply
344,032.68x = 516,080.61 × 133,687.02 - Step 4: Simplify right side
344,032.68x = 68,993,278,830.68 - Step 5: Solve for x
x = 68,993,278,830.68/344,032.68 - Step 6: Final answer
x = 200,542.81
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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.