Home / 424,644.12-636,047.37-199,667.43

Finding the Fourth Proportional to 424,644.12, 636,047.37 and 199,667.43

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Solution

The fourth proportional to 424,644.12, 636,047.37 and 199,667.43 is: 299,069.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,644.12 : 636,047.37 = 199,667.43 : x
  2. Step 2: Convert to fraction form
    424,644.12/636,047.37 = 199,667.43/x
  3. Step 3: Cross multiply
    424,644.12x = 636,047.37 × 199,667.43
  4. Step 4: Simplify right side
    424,644.12x = 126,997,943,726.16
  5. Step 5: Solve for x
    x = 126,997,943,726.16/424,644.12
  6. Step 6: Final answer
    x = 299,069.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.