Finding the Fourth Proportional to 438,974.88, 605,785.35 and 237,770.88
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Solution
The fourth proportional to 438,974.88, 605,785.35 and 237,770.88 is: 328,123.82
Step by Step Solution
- Step 1: Write the proportion equation
438,974.88 : 605,785.35 = 237,770.88 : x - Step 2: Convert to fraction form
438,974.88/605,785.35 = 237,770.88/x - Step 3: Cross multiply
438,974.88x = 605,785.35 × 237,770.88 - Step 4: Simplify right side
438,974.88x = 144,038,115,760.61 - Step 5: Solve for x
x = 144,038,115,760.61/438,974.88 - Step 6: Final answer
x = 328,123.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.