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Finding the Fourth Proportional to 239,371.59, 330,317.78 and 131,935.71

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Solution

The fourth proportional to 239,371.59, 330,317.78 and 131,935.71 is: 182,063.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,371.59 : 330,317.78 = 131,935.71 : x
  2. Step 2: Convert to fraction form
    239,371.59/330,317.78 = 131,935.71/x
  3. Step 3: Cross multiply
    239,371.59x = 330,317.78 × 131,935.71
  4. Step 4: Simplify right side
    239,371.59x = 43,580,710,170.25
  5. Step 5: Solve for x
    x = 43,580,710,170.25/239,371.59
  6. Step 6: Final answer
    x = 182,063.00

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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.