Finding the Fourth Proportional to 134,155.40, 201,233.10 and 132,405.80
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Solution
The fourth proportional to 134,155.40, 201,233.10 and 132,405.80 is: 198,608.70
Step by Step Solution
- Step 1: Write the proportion equation
134,155.40 : 201,233.10 = 132,405.80 : x - Step 2: Convert to fraction form
134,155.40/201,233.10 = 132,405.80/x - Step 3: Cross multiply
134,155.40x = 201,233.10 × 132,405.80 - Step 4: Simplify right side
134,155.40x = 26,644,429,591.98 - Step 5: Solve for x
x = 26,644,429,591.98/134,155.40 - Step 6: Final answer
x = 198,608.70
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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.