Home / 238,960.27-329,752.65-131,509.79

Finding the Fourth Proportional to 238,960.27, 329,752.65 and 131,509.79

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Solution

The fourth proportional to 238,960.27, 329,752.65 and 131,509.79 is: 181,476.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,960.27 : 329,752.65 = 131,509.79 : x
  2. Step 2: Convert to fraction form
    238,960.27/329,752.65 = 131,509.79/x
  3. Step 3: Cross multiply
    238,960.27x = 329,752.65 × 131,509.79
  4. Step 4: Simplify right side
    238,960.27x = 43,365,701,834.41
  5. Step 5: Solve for x
    x = 43,365,701,834.41/238,960.27
  6. Step 6: Final answer
    x = 181,476.62

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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.