Home / 410,985.78-567,149.07-229,698.42

Finding the Fourth Proportional to 410,985.78, 567,149.07 and 229,698.42

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Solution

The fourth proportional to 410,985.78, 567,149.07 and 229,698.42 is: 316,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,985.78 : 567,149.07 = 229,698.42 : x
  2. Step 2: Convert to fraction form
    410,985.78/567,149.07 = 229,698.42/x
  3. Step 3: Cross multiply
    410,985.78x = 567,149.07 × 229,698.42
  4. Step 4: Simplify right side
    410,985.78x = 130,273,245,283.47
  5. Step 5: Solve for x
    x = 130,273,245,283.47/410,985.78
  6. Step 6: Final answer
    x = 316,977.50

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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.