Finding the Fourth Proportional to 79,257.16, 118,901.28 and 29,337.68
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Solution
The fourth proportional to 79,257.16, 118,901.28 and 29,337.68 is: 44,012.27
Step by Step Solution
- Step 1: Write the proportion equation
79,257.16 : 118,901.28 = 29,337.68 : x - Step 2: Convert to fraction form
79,257.16/118,901.28 = 29,337.68/x - Step 3: Cross multiply
79,257.16x = 118,901.28 × 29,337.68 - Step 4: Simplify right side
79,257.16x = 3,488,287,704.23 - Step 5: Solve for x
x = 3,488,287,704.23/79,257.16 - Step 6: Final answer
x = 44,012.27
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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.