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Finding the Fourth Proportional to 218,448.66, 301,454.15 and 122,954.52

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Solution

The fourth proportional to 218,448.66, 301,454.15 and 122,954.52 is: 169,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,448.66 : 301,454.15 = 122,954.52 : x
  2. Step 2: Convert to fraction form
    218,448.66/301,454.15 = 122,954.52/x
  3. Step 3: Cross multiply
    218,448.66x = 301,454.15 × 122,954.52
  4. Step 4: Simplify right side
    218,448.66x = 37,065,149,700.49
  5. Step 5: Solve for x
    x = 37,065,149,700.49/218,448.66
  6. Step 6: Final answer
    x = 169,674.42

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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.