Home / 254,255.04-381,439.26-83,484.36

Finding the Fourth Proportional to 254,255.04, 381,439.26 and 83,484.36

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Solution

The fourth proportional to 254,255.04, 381,439.26 and 83,484.36 is: 125,245.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,255.04 : 381,439.26 = 83,484.36 : x
  2. Step 2: Convert to fraction form
    254,255.04/381,439.26 = 83,484.36/x
  3. Step 3: Cross multiply
    254,255.04x = 381,439.26 × 83,484.36
  4. Step 4: Simplify right side
    254,255.04x = 31,844,212,499.97
  5. Step 5: Solve for x
    x = 31,844,212,499.97/254,255.04
  6. Step 6: Final answer
    x = 125,245.16

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1.5x scale

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.