Home / 219,008.48-302,227.71-123,515.24

Finding the Fourth Proportional to 219,008.48, 302,227.71 and 123,515.24

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Solution

The fourth proportional to 219,008.48, 302,227.71 and 123,515.24 is: 170,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,008.48 : 302,227.71 = 123,515.24 : x
  2. Step 2: Convert to fraction form
    219,008.48/302,227.71 = 123,515.24/x
  3. Step 3: Cross multiply
    219,008.48x = 302,227.71 × 123,515.24
  4. Step 4: Simplify right side
    219,008.48x = 37,329,728,135.30
  5. Step 5: Solve for x
    x = 37,329,728,135.30/219,008.48
  6. Step 6: Final answer
    x = 170,448.78

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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.