Finding the Fourth Proportional to 499,234.84, 688,863.63 and 284,379.10
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Solution
The fourth proportional to 499,234.84, 688,863.63 and 284,379.10 is: 392,397.33
Step by Step Solution
- Step 1: Write the proportion equation
499,234.84 : 688,863.63 = 284,379.10 : x - Step 2: Convert to fraction form
499,234.84/688,863.63 = 284,379.10/x - Step 3: Cross multiply
499,234.84x = 688,863.63 × 284,379.10 - Step 4: Simplify right side
499,234.84x = 195,898,419,122.13 - Step 5: Solve for x
x = 195,898,419,122.13/499,234.84 - Step 6: Final answer
x = 392,397.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.