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Finding the Fourth Proportional to 239,673.77, 330,756.72 and 132,250.73

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Solution

The fourth proportional to 239,673.77, 330,756.72 and 132,250.73 is: 182,509.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,673.77 : 330,756.72 = 132,250.73 : x
  2. Step 2: Convert to fraction form
    239,673.77/330,756.72 = 132,250.73/x
  3. Step 3: Cross multiply
    239,673.77x = 330,756.72 × 132,250.73
  4. Step 4: Simplify right side
    239,673.77x = 43,742,816,018.62
  5. Step 5: Solve for x
    x = 43,742,816,018.62/239,673.77
  6. Step 6: Final answer
    x = 182,509.82

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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.