Finding the Fourth Proportional to 459,161.13, 688,747.45 and 122,199.70
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Solution
The fourth proportional to 459,161.13, 688,747.45 and 122,199.70 is: 183,301.08
Step by Step Solution
- Step 1: Write the proportion equation
459,161.13 : 688,747.45 = 122,199.70 : x - Step 2: Convert to fraction form
459,161.13/688,747.45 = 122,199.70/x - Step 3: Cross multiply
459,161.13x = 688,747.45 × 122,199.70 - Step 4: Simplify right side
459,161.13x = 84,164,729,738.40 - Step 5: Solve for x
x = 84,164,729,738.40/459,161.13 - Step 6: Final answer
x = 183,301.08
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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.