Home / 254,255.62-381,445.08-76,752.02

Finding the Fourth Proportional to 254,255.62, 381,445.08 and 76,752.02

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Solution

The fourth proportional to 254,255.62, 381,445.08 and 76,752.02 is: 115,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,255.62 : 381,445.08 = 76,752.02 : x
  2. Step 2: Convert to fraction form
    254,255.62/381,445.08 = 76,752.02/x
  3. Step 3: Cross multiply
    254,255.62x = 381,445.08 × 76,752.02
  4. Step 4: Simplify right side
    254,255.62x = 29,276,680,409.06
  5. Step 5: Solve for x
    x = 29,276,680,409.06/254,255.62
  6. Step 6: Final answer
    x = 115,146.64

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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.