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Finding the Fourth Proportional to 267,430.70, 401,048.85 and 134,266.70

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Solution

The fourth proportional to 267,430.70, 401,048.85 and 134,266.70 is: 201,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,430.70 : 401,048.85 = 134,266.70 : x
  2. Step 2: Convert to fraction form
    267,430.70/401,048.85 = 134,266.70/x
  3. Step 3: Cross multiply
    267,430.70x = 401,048.85 × 134,266.70
  4. Step 4: Simplify right side
    267,430.70x = 53,847,505,628.30
  5. Step 5: Solve for x
    x = 53,847,505,628.30/267,430.70
  6. Step 6: Final answer
    x = 201,351.25

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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.