Home / 238,359.28-328,934.60-130,928.98

Finding the Fourth Proportional to 238,359.28, 328,934.60 and 130,928.98

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Solution

The fourth proportional to 238,359.28, 328,934.60 and 130,928.98 is: 180,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,359.28 : 328,934.60 = 130,928.98 : x
  2. Step 2: Convert to fraction form
    238,359.28/328,934.60 = 130,928.98/x
  3. Step 3: Cross multiply
    238,359.28x = 328,934.60 × 130,928.98
  4. Step 4: Simplify right side
    238,359.28x = 43,067,071,664.71
  5. Step 5: Solve for x
    x = 43,067,071,664.71/238,359.28
  6. Step 6: Final answer
    x = 180,681.33

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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.