Finding the Fourth Proportional to 118,432.08, 177,676.08 and 38,469.80
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Solution
The fourth proportional to 118,432.08, 177,676.08 and 38,469.80 is: 57,713.78
Step by Step Solution
- Step 1: Write the proportion equation
118,432.08 : 177,676.08 = 38,469.80 : x - Step 2: Convert to fraction form
118,432.08/177,676.08 = 38,469.80/x - Step 3: Cross multiply
118,432.08x = 177,676.08 × 38,469.80 - Step 4: Simplify right side
118,432.08x = 6,835,163,262.38 - Step 5: Solve for x
x = 6,835,163,262.38/118,432.08 - Step 6: Final answer
x = 57,713.78
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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.