Home / 254,367.48-381,296.34-127,621.56

Finding the Fourth Proportional to 254,367.48, 381,296.34 and 127,621.56

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Solution

The fourth proportional to 254,367.48, 381,296.34 and 127,621.56 is: 191,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,367.48 : 381,296.34 = 127,621.56 : x
  2. Step 2: Convert to fraction form
    254,367.48/381,296.34 = 127,621.56/x
  3. Step 3: Cross multiply
    254,367.48x = 381,296.34 × 127,621.56
  4. Step 4: Simplify right side
    254,367.48x = 48,661,633,733.09
  5. Step 5: Solve for x
    x = 48,661,633,733.09/254,367.48
  6. Step 6: Final answer
    x = 191,304.46

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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.