Finding the Fourth Proportional to 391,502.16, 587,126.88 and 110,944.08
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Solution
The fourth proportional to 391,502.16, 587,126.88 and 110,944.08 is: 166,380.31
Step by Step Solution
- Step 1: Write the proportion equation
391,502.16 : 587,126.88 = 110,944.08 : x - Step 2: Convert to fraction form
391,502.16/587,126.88 = 110,944.08/x - Step 3: Cross multiply
391,502.16x = 587,126.88 × 110,944.08 - Step 4: Simplify right side
391,502.16x = 65,138,251,544.87 - Step 5: Solve for x
x = 65,138,251,544.87/391,502.16 - Step 6: Final answer
x = 166,380.31
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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.