Home / 307,789.20-462,072.60-165,747.60

Finding the Fourth Proportional to 307,789.20, 462,072.60 and 165,747.60

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Solution

The fourth proportional to 307,789.20, 462,072.60 and 165,747.60 is: 248,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,789.20 : 462,072.60 = 165,747.60 : x
  2. Step 2: Convert to fraction form
    307,789.20/462,072.60 = 165,747.60/x
  3. Step 3: Cross multiply
    307,789.20x = 462,072.60 × 165,747.60
  4. Step 4: Simplify right side
    307,789.20x = 76,587,424,475.76
  5. Step 5: Solve for x
    x = 76,587,424,475.76/307,789.20
  6. Step 6: Final answer
    x = 248,830.77

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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.