Home / 399,924.02-551,901.74-238,793.15

Finding the Fourth Proportional to 399,924.02, 551,901.74 and 238,793.15

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Solution

The fourth proportional to 399,924.02, 551,901.74 and 238,793.15 is: 329,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,924.02 : 551,901.74 = 238,793.15 : x
  2. Step 2: Convert to fraction form
    399,924.02/551,901.74 = 238,793.15/x
  3. Step 3: Cross multiply
    399,924.02x = 551,901.74 × 238,793.15
  4. Step 4: Simplify right side
    399,924.02x = 131,790,353,791.12
  5. Step 5: Solve for x
    x = 131,790,353,791.12/399,924.02
  6. Step 6: Final answer
    x = 329,538.48

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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.