Finding the Fourth Proportional to 134,850.20, 202,202.40 and 55,972.40
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Solution
The fourth proportional to 134,850.20, 202,202.40 and 55,972.40 is: 83,928.34
Step by Step Solution
- Step 1: Write the proportion equation
134,850.20 : 202,202.40 = 55,972.40 : x - Step 2: Convert to fraction form
134,850.20/202,202.40 = 55,972.40/x - Step 3: Cross multiply
134,850.20x = 202,202.40 × 55,972.40 - Step 4: Simplify right side
134,850.20x = 11,317,753,613.76 - Step 5: Solve for x
x = 11,317,753,613.76/134,850.20 - Step 6: Final answer
x = 83,928.34
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1.5x scale
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.