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Finding the Fourth Proportional to 437,265.30, 655,400.41 and 266,109.43

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Solution

The fourth proportional to 437,265.30, 655,400.41 and 266,109.43 is: 398,861.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,265.30 : 655,400.41 = 266,109.43 : x
  2. Step 2: Convert to fraction form
    437,265.30/655,400.41 = 266,109.43/x
  3. Step 3: Cross multiply
    437,265.30x = 655,400.41 × 266,109.43
  4. Step 4: Simplify right side
    437,265.30x = 174,408,228,196.32
  5. Step 5: Solve for x
    x = 174,408,228,196.32/437,265.30
  6. Step 6: Final answer
    x = 398,861.35

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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.