Home / 238,251.04-328,790.28-130,831

Finding the Fourth Proportional to 238,251.04, 328,790.28 and 130,831

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Solution

The fourth proportional to 238,251.04, 328,790.28 and 130,831 is: 180,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,251.04 : 328,790.28 = 130,831 : x
  2. Step 2: Convert to fraction form
    238,251.04/328,790.28 = 130,831/x
  3. Step 3: Cross multiply
    238,251.04x = 328,790.28 × 130,831
  4. Step 4: Simplify right side
    238,251.04x = 43,015,961,122.68
  5. Step 5: Solve for x
    x = 43,015,961,122.68/238,251.04
  6. Step 6: Final answer
    x = 180,548.89

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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.