Home / 338,523.23-507,981.67-267,008.33

Finding the Fourth Proportional to 338,523.23, 507,981.67 and 267,008.33

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Solution

The fourth proportional to 338,523.23, 507,981.67 and 267,008.33 is: 400,667.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,523.23 : 507,981.67 = 267,008.33 : x
  2. Step 2: Convert to fraction form
    338,523.23/507,981.67 = 267,008.33/x
  3. Step 3: Cross multiply
    338,523.23x = 507,981.67 × 267,008.33
  4. Step 4: Simplify right side
    338,523.23x = 135,635,337,377.31
  5. Step 5: Solve for x
    x = 135,635,337,377.31/338,523.23
  6. Step 6: Final answer
    x = 400,667.74

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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.