Home / 224,919.39-310,338.75-129,426.09

Finding the Fourth Proportional to 224,919.39, 310,338.75 and 129,426.09

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Solution

The fourth proportional to 224,919.39, 310,338.75 and 129,426.09 is: 178,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,919.39 : 310,338.75 = 129,426.09 : x
  2. Step 2: Convert to fraction form
    224,919.39/310,338.75 = 129,426.09/x
  3. Step 3: Cross multiply
    224,919.39x = 310,338.75 × 129,426.09
  4. Step 4: Simplify right side
    224,919.39x = 40,165,930,987.99
  5. Step 5: Solve for x
    x = 40,165,930,987.99/224,919.39
  6. Step 6: Final answer
    x = 178,579.23

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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.