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Finding the Fourth Proportional to 367,077.80, 550,817.31 and 142,447.12

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Solution

The fourth proportional to 367,077.80, 550,817.31 and 142,447.12 is: 213,748.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,077.80 : 550,817.31 = 142,447.12 : x
  2. Step 2: Convert to fraction form
    367,077.80/550,817.31 = 142,447.12/x
  3. Step 3: Cross multiply
    367,077.80x = 550,817.31 × 142,447.12
  4. Step 4: Simplify right side
    367,077.80x = 78,462,339,455.65
  5. Step 5: Solve for x
    x = 78,462,339,455.65/367,077.80
  6. Step 6: Final answer
    x = 213,748.53

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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.