Finding the Fourth Proportional to 391,722.75, 587,590.61 and 170,106.75
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Solution
The fourth proportional to 391,722.75, 587,590.61 and 170,106.75 is: 255,162.94
Step by Step Solution
- Step 1: Write the proportion equation
391,722.75 : 587,590.61 = 170,106.75 : x - Step 2: Convert to fraction form
391,722.75/587,590.61 = 170,106.75/x - Step 3: Cross multiply
391,722.75x = 587,590.61 × 170,106.75 - Step 4: Simplify right side
391,722.75x = 99,953,128,147.08 - Step 5: Solve for x
x = 99,953,128,147.08/391,722.75 - Step 6: Final answer
x = 255,162.94
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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.