Home / 270,774.28-406,226.22-83,785.78

Finding the Fourth Proportional to 270,774.28, 406,226.22 and 83,785.78

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Solution

The fourth proportional to 270,774.28, 406,226.22 and 83,785.78 is: 125,698.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,774.28 : 406,226.22 = 83,785.78 : x
  2. Step 2: Convert to fraction form
    270,774.28/406,226.22 = 83,785.78/x
  3. Step 3: Cross multiply
    270,774.28x = 406,226.22 × 83,785.78
  4. Step 4: Simplify right side
    270,774.28x = 34,035,980,699.15
  5. Step 5: Solve for x
    x = 34,035,980,699.15/270,774.28
  6. Step 6: Final answer
    x = 125,698.72

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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.