Finding the Fourth Proportional to 391,235.58, 586,884.69 and 125,033.94
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Solution
The fourth proportional to 391,235.58, 586,884.69 and 125,033.94 is: 187,560.92
Step by Step Solution
- Step 1: Write the proportion equation
391,235.58 : 586,884.69 = 125,033.94 : x - Step 2: Convert to fraction form
391,235.58/586,884.69 = 125,033.94/x - Step 3: Cross multiply
391,235.58x = 586,884.69 × 125,033.94 - Step 4: Simplify right side
391,235.58x = 73,380,505,116.38 - Step 5: Solve for x
x = 73,380,505,116.38/391,235.58 - Step 6: Final answer
x = 187,560.92
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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.