Home / 219,310.92-302,649.24-123,815.52

Finding the Fourth Proportional to 219,310.92, 302,649.24 and 123,815.52

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Solution

The fourth proportional to 219,310.92, 302,649.24 and 123,815.52 is: 170,865.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,310.92 : 302,649.24 = 123,815.52 : x
  2. Step 2: Convert to fraction form
    219,310.92/302,649.24 = 123,815.52/x
  3. Step 3: Cross multiply
    219,310.92x = 302,649.24 × 123,815.52
  4. Step 4: Simplify right side
    219,310.92x = 37,472,673,028.20
  5. Step 5: Solve for x
    x = 37,472,673,028.20/219,310.92
  6. Step 6: Final answer
    x = 170,865.51

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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.