Finding the Fourth Proportional to 100,565.98, 150,868.42 and 38,231.62
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Solution
The fourth proportional to 100,565.98, 150,868.42 and 38,231.62 is: 57,354.82
Step by Step Solution
- Step 1: Write the proportion equation
100,565.98 : 150,868.42 = 38,231.62 : x - Step 2: Convert to fraction form
100,565.98/150,868.42 = 38,231.62/x - Step 3: Cross multiply
100,565.98x = 150,868.42 × 38,231.62 - Step 4: Simplify right side
100,565.98x = 5,767,944,103.44 - Step 5: Solve for x
x = 5,767,944,103.44/100,565.98 - Step 6: Final answer
x = 57,354.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.