Finding the Fourth Proportional to 159,658.26, 239,494.68 and 54,478.14
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Solution
The fourth proportional to 159,658.26, 239,494.68 and 54,478.14 is: 81,719.70
Step by Step Solution
- Step 1: Write the proportion equation
159,658.26 : 239,494.68 = 54,478.14 : x - Step 2: Convert to fraction form
159,658.26/239,494.68 = 54,478.14/x - Step 3: Cross multiply
159,658.26x = 239,494.68 × 54,478.14 - Step 4: Simplify right side
159,658.26x = 13,047,224,706.30 - Step 5: Solve for x
x = 13,047,224,706.30/159,658.26 - Step 6: Final answer
x = 81,719.70
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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.