Home / 254,923.20-381,849.39-121,669.29

Finding the Fourth Proportional to 254,923.20, 381,849.39 and 121,669.29

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Solution

The fourth proportional to 254,923.20, 381,849.39 and 121,669.29 is: 182,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,923.20 : 381,849.39 = 121,669.29 : x
  2. Step 2: Convert to fraction form
    254,923.20/381,849.39 = 121,669.29/x
  3. Step 3: Cross multiply
    254,923.20x = 381,849.39 × 121,669.29
  4. Step 4: Simplify right side
    254,923.20x = 46,459,344,168.23
  5. Step 5: Solve for x
    x = 46,459,344,168.23/254,923.20
  6. Step 6: Final answer
    x = 182,248.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.