Finding the Fourth Proportional to 134,474.60, 201,711.90 and 132,141.80
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Solution
The fourth proportional to 134,474.60, 201,711.90 and 132,141.80 is: 198,212.70
Step by Step Solution
- Step 1: Write the proportion equation
134,474.60 : 201,711.90 = 132,141.80 : x - Step 2: Convert to fraction form
134,474.60/201,711.90 = 132,141.80/x - Step 3: Cross multiply
134,474.60x = 201,711.90 × 132,141.80 - Step 4: Simplify right side
134,474.60x = 26,654,573,547.42 - Step 5: Solve for x
x = 26,654,573,547.42/134,474.60 - Step 6: Final answer
x = 198,212.70
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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.