Home / 302,212.20-453,429.90-124,734.60

Finding the Fourth Proportional to 302,212.20, 453,429.90 and 124,734.60

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Solution

The fourth proportional to 302,212.20, 453,429.90 and 124,734.60 is: 187,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,212.20 : 453,429.90 = 124,734.60 : x
  2. Step 2: Convert to fraction form
    302,212.20/453,429.90 = 124,734.60/x
  3. Step 3: Cross multiply
    302,212.20x = 453,429.90 × 124,734.60
  4. Step 4: Simplify right side
    302,212.20x = 56,558,397,204.54
  5. Step 5: Solve for x
    x = 56,558,397,204.54/302,212.20
  6. Step 6: Final answer
    x = 187,147.96

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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.