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Finding the Fourth Proportional to 439,847.34, 606,808.90 and 267,627.25

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Solution

The fourth proportional to 439,847.34, 606,808.90 and 267,627.25 is: 369,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,847.34 : 606,808.90 = 267,627.25 : x
  2. Step 2: Convert to fraction form
    439,847.34/606,808.90 = 267,627.25/x
  3. Step 3: Cross multiply
    439,847.34x = 606,808.90 × 267,627.25
  4. Step 4: Simplify right side
    439,847.34x = 162,398,592,810.34
  5. Step 5: Solve for x
    x = 162,398,592,810.34/439,847.34
  6. Step 6: Final answer
    x = 369,215.81

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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.