Home / 260,828.41-391,387.98-140,882.94

Finding the Fourth Proportional to 260,828.41, 391,387.98 and 140,882.94

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Solution

The fourth proportional to 260,828.41, 391,387.98 and 140,882.94 is: 211,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,828.41 : 391,387.98 = 140,882.94 : x
  2. Step 2: Convert to fraction form
    260,828.41/391,387.98 = 140,882.94/x
  3. Step 3: Cross multiply
    260,828.41x = 391,387.98 × 140,882.94
  4. Step 4: Simplify right side
    260,828.41x = 55,139,888,500.69
  5. Step 5: Solve for x
    x = 55,139,888,500.69/260,828.41
  6. Step 6: Final answer
    x = 211,402.93

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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.