Finding the Fourth Proportional to 134,432.40, 201,648.60 and 113,437.20
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Solution
The fourth proportional to 134,432.40, 201,648.60 and 113,437.20 is: 170,155.80
Step by Step Solution
- Step 1: Write the proportion equation
134,432.40 : 201,648.60 = 113,437.20 : x - Step 2: Convert to fraction form
134,432.40/201,648.60 = 113,437.20/x - Step 3: Cross multiply
134,432.40x = 201,648.60 × 113,437.20 - Step 4: Simplify right side
134,432.40x = 22,874,452,567.92 - Step 5: Solve for x
x = 22,874,452,567.92/134,432.40 - Step 6: Final answer
x = 170,155.80
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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.