Finding the Fourth Proportional to 154,098.99, 231,177.65 and 87,614.19
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Solution
The fourth proportional to 154,098.99, 231,177.65 and 87,614.19 is: 131,437.86
Step by Step Solution
- Step 1: Write the proportion equation
154,098.99 : 231,177.65 = 87,614.19 : x - Step 2: Convert to fraction form
154,098.99/231,177.65 = 87,614.19/x - Step 3: Cross multiply
154,098.99x = 231,177.65 × 87,614.19 - Step 4: Simplify right side
154,098.99x = 20,254,442,112.78 - Step 5: Solve for x
x = 20,254,442,112.78/154,098.99 - Step 6: Final answer
x = 131,437.86
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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.