Home / 379,541.12-523,757.63-207,451.36

Finding the Fourth Proportional to 379,541.12, 523,757.63 and 207,451.36

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Solution

The fourth proportional to 379,541.12, 523,757.63 and 207,451.36 is: 286,277.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,541.12 : 523,757.63 = 207,451.36 : x
  2. Step 2: Convert to fraction form
    379,541.12/523,757.63 = 207,451.36/x
  3. Step 3: Cross multiply
    379,541.12x = 523,757.63 × 207,451.36
  4. Step 4: Simplify right side
    379,541.12x = 108,654,228,997.83
  5. Step 5: Solve for x
    x = 108,654,228,997.83/379,541.12
  6. Step 6: Final answer
    x = 286,277.88

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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.