Finding the Fourth Proportional to 134,378.29, 201,560.14 and 40,876.75
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Solution
The fourth proportional to 134,378.29, 201,560.14 and 40,876.75 is: 61,312.91
Step by Step Solution
- Step 1: Write the proportion equation
134,378.29 : 201,560.14 = 40,876.75 : x - Step 2: Convert to fraction form
134,378.29/201,560.14 = 40,876.75/x - Step 3: Cross multiply
134,378.29x = 201,560.14 × 40,876.75 - Step 4: Simplify right side
134,378.29x = 8,239,123,452.75 - Step 5: Solve for x
x = 8,239,123,452.75/134,378.29 - Step 6: Final answer
x = 61,312.91
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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.