Finding the Fourth Proportional to 391,504.58, 587,344.38 and 125,281.08
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Solution
The fourth proportional to 391,504.58, 587,344.38 and 125,281.08 is: 187,949.62
Step by Step Solution
- Step 1: Write the proportion equation
391,504.58 : 587,344.38 = 125,281.08 : x - Step 2: Convert to fraction form
391,504.58/587,344.38 = 125,281.08/x - Step 3: Cross multiply
391,504.58x = 587,344.38 × 125,281.08 - Step 4: Simplify right side
391,504.58x = 73,583,138,258.33 - Step 5: Solve for x
x = 73,583,138,258.33/391,504.58 - Step 6: Final answer
x = 187,949.62
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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.