Home / 409,217.91-564,749.07-248,079.75

Finding the Fourth Proportional to 409,217.91, 564,749.07 and 248,079.75

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Solution

The fourth proportional to 409,217.91, 564,749.07 and 248,079.75 is: 342,367.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,217.91 : 564,749.07 = 248,079.75 : x
  2. Step 2: Convert to fraction form
    409,217.91/564,749.07 = 248,079.75/x
  3. Step 3: Cross multiply
    409,217.91x = 564,749.07 × 248,079.75
  4. Step 4: Simplify right side
    409,217.91x = 140,102,808,098.33
  5. Step 5: Solve for x
    x = 140,102,808,098.33/409,217.91
  6. Step 6: Final answer
    x = 342,367.24

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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.