Home / 238,395.20-328,881.12-147,727.04

Finding the Fourth Proportional to 238,395.20, 328,881.12 and 147,727.04

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Solution

The fourth proportional to 238,395.20, 328,881.12 and 147,727.04 is: 203,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,395.20 : 328,881.12 = 147,727.04 : x
  2. Step 2: Convert to fraction form
    238,395.20/328,881.12 = 147,727.04/x
  3. Step 3: Cross multiply
    238,395.20x = 328,881.12 × 147,727.04
  4. Step 4: Simplify right side
    238,395.20x = 48,584,634,369.48
  5. Step 5: Solve for x
    x = 48,584,634,369.48/238,395.20
  6. Step 6: Final answer
    x = 203,798.71

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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.