Finding the Fourth Proportional to 99,565.78, 149,348.68 and 29,439.68
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Solution
The fourth proportional to 99,565.78, 149,348.68 and 29,439.68 is: 44,159.52
Step by Step Solution
- Step 1: Write the proportion equation
99,565.78 : 149,348.68 = 29,439.68 : x - Step 2: Convert to fraction form
99,565.78/149,348.68 = 29,439.68/x - Step 3: Cross multiply
99,565.78x = 149,348.68 × 29,439.68 - Step 4: Simplify right side
99,565.78x = 4,396,777,347.62 - Step 5: Solve for x
x = 4,396,777,347.62/99,565.78 - Step 6: Final answer
x = 44,159.52
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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.