Finding the Fourth Proportional to 638,759.34, 958,101.20 and 239,366.70
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Solution
The fourth proportional to 638,759.34, 958,101.20 and 239,366.70 is: 359,035.88
Step by Step Solution
- Step 1: Write the proportion equation
638,759.34 : 958,101.20 = 239,366.70 : x - Step 2: Convert to fraction form
638,759.34/958,101.20 = 239,366.70/x - Step 3: Cross multiply
638,759.34x = 958,101.20 × 239,366.70 - Step 4: Simplify right side
638,759.34x = 229,337,522,510.04 - Step 5: Solve for x
x = 229,337,522,510.04/638,759.34 - Step 6: Final answer
x = 359,035.88
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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.