Finding the Fourth Proportional to 232,861.14, 349,299.90 and 90,717.08
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Solution
The fourth proportional to 232,861.14, 349,299.90 and 90,717.08 is: 136,078.80
Step by Step Solution
- Step 1: Write the proportion equation
232,861.14 : 349,299.90 = 90,717.08 : x - Step 2: Convert to fraction form
232,861.14/349,299.90 = 90,717.08/x - Step 3: Cross multiply
232,861.14x = 349,299.90 × 90,717.08 - Step 4: Simplify right side
232,861.14x = 31,687,465,225.79 - Step 5: Solve for x
x = 31,687,465,225.79/232,861.14 - Step 6: Final answer
x = 136,078.80
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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.