Home / 379,508.12-569,355.60-267,407.25

Finding the Fourth Proportional to 379,508.12, 569,355.60 and 267,407.25

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Solution

The fourth proportional to 379,508.12, 569,355.60 and 267,407.25 is: 401,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,508.12 : 569,355.60 = 267,407.25 : x
  2. Step 2: Convert to fraction form
    379,508.12/569,355.60 = 267,407.25/x
  3. Step 3: Cross multiply
    379,508.12x = 569,355.60 × 267,407.25
  4. Step 4: Simplify right side
    379,508.12x = 152,249,815,268.10
  5. Step 5: Solve for x
    x = 152,249,815,268.10/379,508.12
  6. Step 6: Final answer
    x = 401,176.71

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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.