Finding the Fourth Proportional to 194,585.70, 291,854.39 and 52,442.09
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Solution
The fourth proportional to 194,585.70, 291,854.39 and 52,442.09 is: 78,656.63
Step by Step Solution
- Step 1: Write the proportion equation
194,585.70 : 291,854.39 = 52,442.09 : x - Step 2: Convert to fraction form
194,585.70/291,854.39 = 52,442.09/x - Step 3: Cross multiply
194,585.70x = 291,854.39 × 52,442.09 - Step 4: Simplify right side
194,585.70x = 15,305,454,654.70 - Step 5: Solve for x
x = 15,305,454,654.70/194,585.70 - Step 6: Final answer
x = 78,656.63
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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.