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Finding the Fourth Proportional to 224,810.60, 310,229.42 and 122,839.56

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Solution

The fourth proportional to 224,810.60, 310,229.42 and 122,839.56 is: 169,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,810.60 : 310,229.42 = 122,839.56 : x
  2. Step 2: Convert to fraction form
    224,810.60/310,229.42 = 122,839.56/x
  3. Step 3: Cross multiply
    224,810.60x = 310,229.42 × 122,839.56
  4. Step 4: Simplify right side
    224,810.60x = 38,108,444,837.66
  5. Step 5: Solve for x
    x = 38,108,444,837.66/224,810.60
  6. Step 6: Final answer
    x = 169,513.56

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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.