Home / 224,115.57-309,269-127,317.05

Finding the Fourth Proportional to 224,115.57, 309,269 and 127,317.05

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Solution

The fourth proportional to 224,115.57, 309,269 and 127,317.05 is: 175,691.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,115.57 : 309,269 = 127,317.05 : x
  2. Step 2: Convert to fraction form
    224,115.57/309,269 = 127,317.05/x
  3. Step 3: Cross multiply
    224,115.57x = 309,269 × 127,317.05
  4. Step 4: Simplify right side
    224,115.57x = 39,375,216,736.45
  5. Step 5: Solve for x
    x = 39,375,216,736.45/224,115.57
  6. Step 6: Final answer
    x = 175,691.57

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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.