Finding the Fourth Proportional to 101,445.24, 152,138.13 and 38,219.75
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Solution
The fourth proportional to 101,445.24, 152,138.13 and 38,219.75 is: 57,318.42
Step by Step Solution
- Step 1: Write the proportion equation
101,445.24 : 152,138.13 = 38,219.75 : x - Step 2: Convert to fraction form
101,445.24/152,138.13 = 38,219.75/x - Step 3: Cross multiply
101,445.24x = 152,138.13 × 38,219.75 - Step 4: Simplify right side
101,445.24x = 5,814,680,533.38 - Step 5: Solve for x
x = 5,814,680,533.38/101,445.24 - Step 6: Final answer
x = 57,318.42
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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.