Finding the Fourth Proportional to 103,565.70, 155,348.55 and 29,693.70
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Solution
The fourth proportional to 103,565.70, 155,348.55 and 29,693.70 is: 44,540.55
Step by Step Solution
- Step 1: Write the proportion equation
103,565.70 : 155,348.55 = 29,693.70 : x - Step 2: Convert to fraction form
103,565.70/155,348.55 = 29,693.70/x - Step 3: Cross multiply
103,565.70x = 155,348.55 × 29,693.70 - Step 4: Simplify right side
103,565.70x = 4,612,873,239.14 - Step 5: Solve for x
x = 4,612,873,239.14/103,565.70 - Step 6: Final answer
x = 44,540.55
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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.