Finding the Fourth Proportional to 466,135.21, 699,238.05 and 129,171.97
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Solution
The fourth proportional to 466,135.21, 699,238.05 and 129,171.97 is: 193,767.72
Step by Step Solution
- Step 1: Write the proportion equation
466,135.21 : 699,238.05 = 129,171.97 : x - Step 2: Convert to fraction form
466,135.21/699,238.05 = 129,171.97/x - Step 3: Cross multiply
466,135.21x = 699,238.05 × 129,171.97 - Step 4: Simplify right side
466,135.21x = 90,321,956,417.46 - Step 5: Solve for x
x = 90,321,956,417.46/466,135.21 - Step 6: Final answer
x = 193,767.72
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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.