Home / 238,637.07-358,022.43-80,877.42

Finding the Fourth Proportional to 238,637.07, 358,022.43 and 80,877.42

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Solution

The fourth proportional to 238,637.07, 358,022.43 and 80,877.42 is: 121,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,637.07 : 358,022.43 = 80,877.42 : x
  2. Step 2: Convert to fraction form
    238,637.07/358,022.43 = 80,877.42/x
  3. Step 3: Cross multiply
    238,637.07x = 358,022.43 × 80,877.42
  4. Step 4: Simplify right side
    238,637.07x = 28,955,930,440.53
  5. Step 5: Solve for x
    x = 28,955,930,440.53/238,637.07
  6. Step 6: Final answer
    x = 121,338.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.