Home / 307,869.71-424,867.41-171,899.06

Finding the Fourth Proportional to 307,869.71, 424,867.41 and 171,899.06

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Solution

The fourth proportional to 307,869.71, 424,867.41 and 171,899.06 is: 237,224.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,869.71 : 424,867.41 = 171,899.06 : x
  2. Step 2: Convert to fraction form
    307,869.71/424,867.41 = 171,899.06/x
  3. Step 3: Cross multiply
    307,869.71x = 424,867.41 × 171,899.06
  4. Step 4: Simplify right side
    307,869.71x = 73,034,306,279.30
  5. Step 5: Solve for x
    x = 73,034,306,279.30/307,869.71
  6. Step 6: Final answer
    x = 237,224.73

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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.