Home / 486,222.04-729,306.70-149,262.76

Finding the Fourth Proportional to 486,222.04, 729,306.70 and 149,262.76

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Solution

The fourth proportional to 486,222.04, 729,306.70 and 149,262.76 is: 223,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,222.04 : 729,306.70 = 149,262.76 : x
  2. Step 2: Convert to fraction form
    486,222.04/729,306.70 = 149,262.76/x
  3. Step 3: Cross multiply
    486,222.04x = 729,306.70 × 149,262.76
  4. Step 4: Simplify right side
    486,222.04x = 108,858,330,928.49
  5. Step 5: Solve for x
    x = 108,858,330,928.49/486,222.04
  6. Step 6: Final answer
    x = 223,886.05

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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.