Home / 224,246.46-309,446.55-128,744.22

Finding the Fourth Proportional to 224,246.46, 309,446.55 and 128,744.22

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Solution

The fourth proportional to 224,246.46, 309,446.55 and 128,744.22 is: 177,659.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,246.46 : 309,446.55 = 128,744.22 : x
  2. Step 2: Convert to fraction form
    224,246.46/309,446.55 = 128,744.22/x
  3. Step 3: Cross multiply
    224,246.46x = 309,446.55 × 128,744.22
  4. Step 4: Simplify right side
    224,246.46x = 39,839,454,711.44
  5. Step 5: Solve for x
    x = 39,839,454,711.44/224,246.46
  6. Step 6: Final answer
    x = 177,659.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.