Home / 272,626.29-409,022.90-139,600.73

Finding the Fourth Proportional to 272,626.29, 409,022.90 and 139,600.73

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Solution

The fourth proportional to 272,626.29, 409,022.90 and 139,600.73 is: 209,443.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,626.29 : 409,022.90 = 139,600.73 : x
  2. Step 2: Convert to fraction form
    272,626.29/409,022.90 = 139,600.73/x
  3. Step 3: Cross multiply
    272,626.29x = 409,022.90 × 139,600.73
  4. Step 4: Simplify right side
    272,626.29x = 57,099,896,274.77
  5. Step 5: Solve for x
    x = 57,099,896,274.77/272,626.29
  6. Step 6: Final answer
    x = 209,443.84

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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.