Home / 254,968.28-382,451.90-121,443.56

Finding the Fourth Proportional to 254,968.28, 382,451.90 and 121,443.56

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Solution

The fourth proportional to 254,968.28, 382,451.90 and 121,443.56 is: 182,165.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,968.28 : 382,451.90 = 121,443.56 : x
  2. Step 2: Convert to fraction form
    254,968.28/382,451.90 = 121,443.56/x
  3. Step 3: Cross multiply
    254,968.28x = 382,451.90 × 121,443.56
  4. Step 4: Simplify right side
    254,968.28x = 46,446,320,264.76
  5. Step 5: Solve for x
    x = 46,446,320,264.76/254,968.28
  6. Step 6: Final answer
    x = 182,165.09

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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.