Finding the Fourth Proportional to 391,546.68, 587,269.92 and 125,284.92
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Solution
The fourth proportional to 391,546.68, 587,269.92 and 125,284.92 is: 187,911.35
Step by Step Solution
- Step 1: Write the proportion equation
391,546.68 : 587,269.92 = 125,284.92 : x - Step 2: Convert to fraction form
391,546.68/587,269.92 = 125,284.92/x - Step 3: Cross multiply
391,546.68x = 587,269.92 × 125,284.92 - Step 4: Simplify right side
391,546.68x = 73,576,064,945.61 - Step 5: Solve for x
x = 73,576,064,945.61/391,546.68 - Step 6: Final answer
x = 187,911.35
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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.