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Finding the Fourth Proportional to 254,384.64, 381,578.58 and 88,133.76

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Solution

The fourth proportional to 254,384.64, 381,578.58 and 88,133.76 is: 132,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,384.64 : 381,578.58 = 88,133.76 : x
  2. Step 2: Convert to fraction form
    254,384.64/381,578.58 = 88,133.76/x
  3. Step 3: Cross multiply
    254,384.64x = 381,578.58 × 88,133.76
  4. Step 4: Simplify right side
    254,384.64x = 33,629,954,990.86
  5. Step 5: Solve for x
    x = 33,629,954,990.86/254,384.64
  6. Step 6: Final answer
    x = 132,201.20

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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.