Home / 418,823.42-628,227.03-119,305.94

Finding the Fourth Proportional to 418,823.42, 628,227.03 and 119,305.94

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Solution

The fourth proportional to 418,823.42, 628,227.03 and 119,305.94 is: 178,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,823.42 : 628,227.03 = 119,305.94 : x
  2. Step 2: Convert to fraction form
    418,823.42/628,227.03 = 119,305.94/x
  3. Step 3: Cross multiply
    418,823.42x = 628,227.03 × 119,305.94
  4. Step 4: Simplify right side
    418,823.42x = 74,951,216,347.56
  5. Step 5: Solve for x
    x = 74,951,216,347.56/418,823.42
  6. Step 6: Final answer
    x = 178,956.60

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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.