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Finding the Fourth Proportional to 239,483.76, 330,480.36 and 132,053.76

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Solution

The fourth proportional to 239,483.76, 330,480.36 and 132,053.76 is: 182,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,483.76 : 330,480.36 = 132,053.76 : x
  2. Step 2: Convert to fraction form
    239,483.76/330,480.36 = 132,053.76/x
  3. Step 3: Cross multiply
    239,483.76x = 330,480.36 × 132,053.76
  4. Step 4: Simplify right side
    239,483.76x = 43,641,174,144.15
  5. Step 5: Solve for x
    x = 43,641,174,144.15/239,483.76
  6. Step 6: Final answer
    x = 182,230.20

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1.5x scale

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.