Finding the Fourth Proportional to 391,232.08, 586,879.44 and 125,030.44
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Solution
The fourth proportional to 391,232.08, 586,879.44 and 125,030.44 is: 187,555.67
Step by Step Solution
- Step 1: Write the proportion equation
391,232.08 : 586,879.44 = 125,030.44 : x - Step 2: Convert to fraction form
391,232.08/586,879.44 = 125,030.44/x - Step 3: Cross multiply
391,232.08x = 586,879.44 × 125,030.44 - Step 4: Simplify right side
391,232.08x = 73,377,794,610.15 - Step 5: Solve for x
x = 73,377,794,610.15/391,232.08 - Step 6: Final answer
x = 187,555.67
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1.5x scale
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.