Finding the Fourth Proportional to 410,062.88, 615,112.85 and 125,732.68
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Solution
The fourth proportional to 410,062.88, 615,112.85 and 125,732.68 is: 188,604.70
Step by Step Solution
- Step 1: Write the proportion equation
410,062.88 : 615,112.85 = 125,732.68 : x - Step 2: Convert to fraction form
410,062.88/615,112.85 = 125,732.68/x - Step 3: Cross multiply
410,062.88x = 615,112.85 × 125,732.68 - Step 4: Simplify right side
410,062.88x = 77,339,784,966.49 - Step 5: Solve for x
x = 77,339,784,966.49/410,062.88 - Step 6: Final answer
x = 188,604.70
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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.