Home / 340,155.11-510,056.19-100,237.97

Finding the Fourth Proportional to 340,155.11, 510,056.19 and 100,237.97

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Solution

The fourth proportional to 340,155.11, 510,056.19 and 100,237.97 is: 150,304.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,155.11 : 510,056.19 = 100,237.97 : x
  2. Step 2: Convert to fraction form
    340,155.11/510,056.19 = 100,237.97/x
  3. Step 3: Cross multiply
    340,155.11x = 510,056.19 × 100,237.97
  4. Step 4: Simplify right side
    340,155.11x = 51,126,998,346.67
  5. Step 5: Solve for x
    x = 51,126,998,346.67/340,155.11
  6. Step 6: Final answer
    x = 150,304.95

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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.