Finding the Fourth Proportional to 83,438.20, 125,145.15 and 24,267.70
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Solution
The fourth proportional to 83,438.20, 125,145.15 and 24,267.70 is: 36,398.02
Step by Step Solution
- Step 1: Write the proportion equation
83,438.20 : 125,145.15 = 24,267.70 : x - Step 2: Convert to fraction form
83,438.20/125,145.15 = 24,267.70/x - Step 3: Cross multiply
83,438.20x = 125,145.15 × 24,267.70 - Step 4: Simplify right side
83,438.20x = 3,036,984,956.66 - Step 5: Solve for x
x = 3,036,984,956.66/83,438.20 - Step 6: Final answer
x = 36,398.02
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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.