Home / 409,026.11-613,567.19-139,044.38

Finding the Fourth Proportional to 409,026.11, 613,567.19 and 139,044.38

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Solution

The fourth proportional to 409,026.11, 613,567.19 and 139,044.38 is: 208,576.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,026.11 : 613,567.19 = 139,044.38 : x
  2. Step 2: Convert to fraction form
    409,026.11/613,567.19 = 139,044.38/x
  3. Step 3: Cross multiply
    409,026.11x = 613,567.19 × 139,044.38
  4. Step 4: Simplify right side
    409,026.11x = 85,313,065,758.83
  5. Step 5: Solve for x
    x = 85,313,065,758.83/409,026.11
  6. Step 6: Final answer
    x = 208,576.09

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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.