Finding the Fourth Proportional to 391,861.80, 587,792.70 and 96,373.80
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Solution
The fourth proportional to 391,861.80, 587,792.70 and 96,373.80 is: 144,560.70
Step by Step Solution
- Step 1: Write the proportion equation
391,861.80 : 587,792.70 = 96,373.80 : x - Step 2: Convert to fraction form
391,861.80/587,792.70 = 96,373.80/x - Step 3: Cross multiply
391,861.80x = 587,792.70 × 96,373.80 - Step 4: Simplify right side
391,861.80x = 56,647,816,111.26 - Step 5: Solve for x
x = 56,647,816,111.26/391,861.80 - Step 6: Final answer
x = 144,560.70
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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.