Finding the Fourth Proportional to 459,052.20, 688,578.30 and 246,475.80
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Solution
The fourth proportional to 459,052.20, 688,578.30 and 246,475.80 is: 369,713.70
Step by Step Solution
- Step 1: Write the proportion equation
459,052.20 : 688,578.30 = 246,475.80 : x - Step 2: Convert to fraction form
459,052.20/688,578.30 = 246,475.80/x - Step 3: Cross multiply
459,052.20x = 688,578.30 × 246,475.80 - Step 4: Simplify right side
459,052.20x = 169,717,887,355.14 - Step 5: Solve for x
x = 169,717,887,355.14/459,052.20 - Step 6: Final answer
x = 369,713.70
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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.