Home / 254,742.18-381,965.04-187,314.54

Finding the Fourth Proportional to 254,742.18, 381,965.04 and 187,314.54

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Solution

The fourth proportional to 254,742.18, 381,965.04 and 187,314.54 is: 280,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,742.18 : 381,965.04 = 187,314.54 : x
  2. Step 2: Convert to fraction form
    254,742.18/381,965.04 = 187,314.54/x
  3. Step 3: Cross multiply
    254,742.18x = 381,965.04 × 187,314.54
  4. Step 4: Simplify right side
    254,742.18x = 71,547,605,763.68
  5. Step 5: Solve for x
    x = 71,547,605,763.68/254,742.18
  6. Step 6: Final answer
    x = 280,862.81

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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.