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Finding the Fourth Proportional to 239,367.44, 330,323.13 and 131,947.47

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Solution

The fourth proportional to 239,367.44, 330,323.13 and 131,947.47 is: 182,085.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,367.44 : 330,323.13 = 131,947.47 : x
  2. Step 2: Convert to fraction form
    239,367.44/330,323.13 = 131,947.47/x
  3. Step 3: Cross multiply
    239,367.44x = 330,323.13 × 131,947.47
  4. Step 4: Simplify right side
    239,367.44x = 43,585,300,264.81
  5. Step 5: Solve for x
    x = 43,585,300,264.81/239,367.44
  6. Step 6: Final answer
    x = 182,085.33

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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.