Home / 381,286.02-571,929.05-100,803.30

Finding the Fourth Proportional to 381,286.02, 571,929.05 and 100,803.30

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Solution

The fourth proportional to 381,286.02, 571,929.05 and 100,803.30 is: 151,204.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,286.02 : 571,929.05 = 100,803.30 : x
  2. Step 2: Convert to fraction form
    381,286.02/571,929.05 = 100,803.30/x
  3. Step 3: Cross multiply
    381,286.02x = 571,929.05 × 100,803.30
  4. Step 4: Simplify right side
    381,286.02x = 57,652,335,605.87
  5. Step 5: Solve for x
    x = 57,652,335,605.87/381,286.02
  6. Step 6: Final answer
    x = 151,204.96

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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.