Home / 238,919.02-329,571.12-149,339.50

Finding the Fourth Proportional to 238,919.02, 329,571.12 and 149,339.50

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Solution

The fourth proportional to 238,919.02, 329,571.12 and 149,339.50 is: 206,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,919.02 : 329,571.12 = 149,339.50 : x
  2. Step 2: Convert to fraction form
    238,919.02/329,571.12 = 149,339.50/x
  3. Step 3: Cross multiply
    238,919.02x = 329,571.12 × 149,339.50
  4. Step 4: Simplify right side
    238,919.02x = 49,217,986,275.24
  5. Step 5: Solve for x
    x = 49,217,986,275.24/238,919.02
  6. Step 6: Final answer
    x = 206,002.80

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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.