Finding the Fourth Proportional to 311,863.68, 467,769.60 and 124,885.44
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Solution
The fourth proportional to 311,863.68, 467,769.60 and 124,885.44 is: 187,317.78
Step by Step Solution
- Step 1: Write the proportion equation
311,863.68 : 467,769.60 = 124,885.44 : x - Step 2: Convert to fraction form
311,863.68/467,769.60 = 124,885.44/x - Step 3: Cross multiply
311,863.68x = 467,769.60 × 124,885.44 - Step 4: Simplify right side
311,863.68x = 58,417,612,314.62 - Step 5: Solve for x
x = 58,417,612,314.62/311,863.68 - Step 6: Final answer
x = 187,317.78
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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.