Finding the Fourth Proportional to 115,655.52, 173,437.92 and 40,759.68
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Solution
The fourth proportional to 115,655.52, 173,437.92 and 40,759.68 is: 61,123.53
Step by Step Solution
- Step 1: Write the proportion equation
115,655.52 : 173,437.92 = 40,759.68 : x - Step 2: Convert to fraction form
115,655.52/173,437.92 = 40,759.68/x - Step 3: Cross multiply
115,655.52x = 173,437.92 × 40,759.68 - Step 4: Simplify right side
115,655.52x = 7,069,274,119.07 - Step 5: Solve for x
x = 7,069,274,119.07/115,655.52 - Step 6: Final answer
x = 61,123.53
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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.