Home / 381,850.20-571,933.08-239,231.16

Finding the Fourth Proportional to 381,850.20, 571,933.08 and 239,231.16

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Solution

The fourth proportional to 381,850.20, 571,933.08 and 239,231.16 is: 358,319.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,850.20 : 571,933.08 = 239,231.16 : x
  2. Step 2: Convert to fraction form
    381,850.20/571,933.08 = 239,231.16/x
  3. Step 3: Cross multiply
    381,850.20x = 571,933.08 × 239,231.16
  4. Step 4: Simplify right side
    381,850.20x = 136,824,214,170.77
  5. Step 5: Solve for x
    x = 136,824,214,170.77/381,850.20
  6. Step 6: Final answer
    x = 358,319.08

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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.