Finding the Fourth Proportional to 165,387.24, 247,884.02 and 115,195.60
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Solution
The fourth proportional to 165,387.24, 247,884.02 and 115,195.60 is: 172,656.30
Step by Step Solution
- Step 1: Write the proportion equation
165,387.24 : 247,884.02 = 115,195.60 : x - Step 2: Convert to fraction form
165,387.24/247,884.02 = 115,195.60/x - Step 3: Cross multiply
165,387.24x = 247,884.02 × 115,195.60 - Step 4: Simplify right side
165,387.24x = 28,555,148,414.31 - Step 5: Solve for x
x = 28,555,148,414.31/165,387.24 - Step 6: Final answer
x = 172,656.30
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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.