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Finding the Fourth Proportional to 239,496.46, 330,502.69 and 130,600.53

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Solution

The fourth proportional to 239,496.46, 330,502.69 and 130,600.53 is: 180,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,496.46 : 330,502.69 = 130,600.53 : x
  2. Step 2: Convert to fraction form
    239,496.46/330,502.69 = 130,600.53/x
  3. Step 3: Cross multiply
    239,496.46x = 330,502.69 × 130,600.53
  4. Step 4: Simplify right side
    239,496.46x = 43,163,826,480.43
  5. Step 5: Solve for x
    x = 43,163,826,480.43/239,496.46
  6. Step 6: Final answer
    x = 180,227.41

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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.