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Finding the Fourth Proportional to 224,043.33, 309,167.58 and 127,244.79

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Solution

The fourth proportional to 224,043.33, 309,167.58 and 127,244.79 is: 175,590.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,043.33 : 309,167.58 = 127,244.79 : x
  2. Step 2: Convert to fraction form
    224,043.33/309,167.58 = 127,244.79/x
  3. Step 3: Cross multiply
    224,043.33x = 309,167.58 × 127,244.79
  4. Step 4: Simplify right side
    224,043.33x = 39,339,963,791.91
  5. Step 5: Solve for x
    x = 39,339,963,791.91/224,043.33
  6. Step 6: Final answer
    x = 175,590.87

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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.