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Finding the Fourth Proportional to 224,634.74, 310,008.57 and 122,669.69

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Solution

The fourth proportional to 224,634.74, 310,008.57 and 122,669.69 is: 169,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,634.74 : 310,008.57 = 122,669.69 : x
  2. Step 2: Convert to fraction form
    224,634.74/310,008.57 = 122,669.69/x
  3. Step 3: Cross multiply
    224,634.74x = 310,008.57 × 122,669.69
  4. Step 4: Simplify right side
    224,634.74x = 38,028,653,629.20
  5. Step 5: Solve for x
    x = 38,028,653,629.20/224,634.74
  6. Step 6: Final answer
    x = 169,291.06

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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.