Home / 381,209.36-571,595.24-144,401

Finding the Fourth Proportional to 381,209.36, 571,595.24 and 144,401

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Solution

The fourth proportional to 381,209.36, 571,595.24 and 144,401 is: 216,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,209.36 : 571,595.24 = 144,401 : x
  2. Step 2: Convert to fraction form
    381,209.36/571,595.24 = 144,401/x
  3. Step 3: Cross multiply
    381,209.36x = 571,595.24 × 144,401
  4. Step 4: Simplify right side
    381,209.36x = 82,538,924,251.24
  5. Step 5: Solve for x
    x = 82,538,924,251.24/381,209.36
  6. Step 6: Final answer
    x = 216,518.62

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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.