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Finding the Fourth Proportional to 254,375.71, 381,571.69 and 127,946.91

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Solution

The fourth proportional to 254,375.71, 381,571.69 and 127,946.91 is: 191,924.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,375.71 : 381,571.69 = 127,946.91 : x
  2. Step 2: Convert to fraction form
    254,375.71/381,571.69 = 127,946.91/x
  3. Step 3: Cross multiply
    254,375.71x = 381,571.69 × 127,946.91
  4. Step 4: Simplify right side
    254,375.71x = 48,820,917,523.71
  5. Step 5: Solve for x
    x = 48,820,917,523.71/254,375.71
  6. Step 6: Final answer
    x = 191,924.45

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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.