Home / 261,037.40-391,556.10-160,872.80

Finding the Fourth Proportional to 261,037.40, 391,556.10 and 160,872.80

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Solution

The fourth proportional to 261,037.40, 391,556.10 and 160,872.80 is: 241,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,037.40 : 391,556.10 = 160,872.80 : x
  2. Step 2: Convert to fraction form
    261,037.40/391,556.10 = 160,872.80/x
  3. Step 3: Cross multiply
    261,037.40x = 391,556.10 × 160,872.80
  4. Step 4: Simplify right side
    261,037.40x = 62,990,726,164.08
  5. Step 5: Solve for x
    x = 62,990,726,164.08/261,037.40
  6. Step 6: Final answer
    x = 241,309.20

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1.5x scale

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.