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Finding the Fourth Proportional to 300,266.55, 450,400.10 and 122,773.55

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Solution

The fourth proportional to 300,266.55, 450,400.10 and 122,773.55 is: 184,160.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,266.55 : 450,400.10 = 122,773.55 : x
  2. Step 2: Convert to fraction form
    300,266.55/450,400.10 = 122,773.55/x
  3. Step 3: Cross multiply
    300,266.55x = 450,400.10 × 122,773.55
  4. Step 4: Simplify right side
    300,266.55x = 55,297,216,331.49
  5. Step 5: Solve for x
    x = 55,297,216,331.49/300,266.55
  6. Step 6: Final answer
    x = 184,160.43

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1.5x scale

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.