Finding the Fourth Proportional to 284,244.18, 426,141.36 and 106,731.42
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Solution
The fourth proportional to 284,244.18, 426,141.36 and 106,731.42 is: 160,012.68
Step by Step Solution
- Step 1: Write the proportion equation
284,244.18 : 426,141.36 = 106,731.42 : x - Step 2: Convert to fraction form
284,244.18/426,141.36 = 106,731.42/x - Step 3: Cross multiply
284,244.18x = 426,141.36 × 106,731.42 - Step 4: Simplify right side
284,244.18x = 45,482,672,473.53 - Step 5: Solve for x
x = 45,482,672,473.53/284,244.18 - Step 6: Final answer
x = 160,012.68
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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.