Finding the Fourth Proportional to 391,244.97, 586,848.12 and 229,230.80
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Solution
The fourth proportional to 391,244.97, 586,848.12 and 229,230.80 is: 343,834.87
Step by Step Solution
- Step 1: Write the proportion equation
391,244.97 : 586,848.12 = 229,230.80 : x - Step 2: Convert to fraction form
391,244.97/586,848.12 = 229,230.80/x - Step 3: Cross multiply
391,244.97x = 586,848.12 × 229,230.80 - Step 4: Simplify right side
391,244.97x = 134,523,664,026.10 - Step 5: Solve for x
x = 134,523,664,026.10/391,244.97 - Step 6: Final answer
x = 343,834.87
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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.