Home / 254,548.25-381,905.31-121,411.18

Finding the Fourth Proportional to 254,548.25, 381,905.31 and 121,411.18

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Solution

The fourth proportional to 254,548.25, 381,905.31 and 121,411.18 is: 182,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,548.25 : 381,905.31 = 121,411.18 : x
  2. Step 2: Convert to fraction form
    254,548.25/381,905.31 = 121,411.18/x
  3. Step 3: Cross multiply
    254,548.25x = 381,905.31 × 121,411.18
  4. Step 4: Simplify right side
    254,548.25x = 46,367,575,268.04
  5. Step 5: Solve for x
    x = 46,367,575,268.04/254,548.25
  6. Step 6: Final answer
    x = 182,156.33

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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.