Home / 356,450.28-534,633.78-143,209.56

Finding the Fourth Proportional to 356,450.28, 534,633.78 and 143,209.56

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Solution

The fourth proportional to 356,450.28, 534,633.78 and 143,209.56 is: 214,797.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,450.28 : 534,633.78 = 143,209.56 : x
  2. Step 2: Convert to fraction form
    356,450.28/534,633.78 = 143,209.56/x
  3. Step 3: Cross multiply
    356,450.28x = 534,633.78 × 143,209.56
  4. Step 4: Simplify right side
    356,450.28x = 76,564,668,394.94
  5. Step 5: Solve for x
    x = 76,564,668,394.94/356,450.28
  6. Step 6: Final answer
    x = 214,797.61

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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.