Finding the Fourth Proportional to 79,257.67, 118,902.04 and 29,338.18
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Solution
The fourth proportional to 79,257.67, 118,902.04 and 29,338.18 is: 44,013.02
Step by Step Solution
- Step 1: Write the proportion equation
79,257.67 : 118,902.04 = 29,338.18 : x - Step 2: Convert to fraction form
79,257.67/118,902.04 = 29,338.18/x - Step 3: Cross multiply
79,257.67x = 118,902.04 × 29,338.18 - Step 4: Simplify right side
79,257.67x = 3,488,369,081.29 - Step 5: Solve for x
x = 3,488,369,081.29/79,257.67 - Step 6: Final answer
x = 44,013.02
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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.