Home / 381,451.24-526,281.06-220,285

Finding the Fourth Proportional to 381,451.24, 526,281.06 and 220,285

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Solution

The fourth proportional to 381,451.24, 526,281.06 and 220,285 is: 303,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,451.24 : 526,281.06 = 220,285 : x
  2. Step 2: Convert to fraction form
    381,451.24/526,281.06 = 220,285/x
  3. Step 3: Cross multiply
    381,451.24x = 526,281.06 × 220,285
  4. Step 4: Simplify right side
    381,451.24x = 115,931,823,302.10
  5. Step 5: Solve for x
    x = 115,931,823,302.10/381,451.24
  6. Step 6: Final answer
    x = 303,923.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.