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Finding the Fourth Proportional to 230,771.34, 318,464.28 and 130,169.34

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Solution

The fourth proportional to 230,771.34, 318,464.28 and 130,169.34 is: 179,633.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,771.34 : 318,464.28 = 130,169.34 : x
  2. Step 2: Convert to fraction form
    230,771.34/318,464.28 = 130,169.34/x
  3. Step 3: Cross multiply
    230,771.34x = 318,464.28 × 130,169.34
  4. Step 4: Simplify right side
    230,771.34x = 41,454,285,141.18
  5. Step 5: Solve for x
    x = 41,454,285,141.18/230,771.34
  6. Step 6: Final answer
    x = 179,633.59

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1.5x scale

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.