Finding the Fourth Proportional to 391,235.08, 586,883.94 and 125,033.44
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Solution
The fourth proportional to 391,235.08, 586,883.94 and 125,033.44 is: 187,560.17
Step by Step Solution
- Step 1: Write the proportion equation
391,235.08 : 586,883.94 = 125,033.44 : x - Step 2: Convert to fraction form
391,235.08/586,883.94 = 125,033.44/x - Step 3: Cross multiply
391,235.08x = 586,883.94 × 125,033.44 - Step 4: Simplify right side
391,235.08x = 73,380,117,898.95 - Step 5: Solve for x
x = 73,380,117,898.95/391,235.08 - Step 6: Final answer
x = 187,560.17
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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.