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Finding the Fourth Proportional to 381,037.64, 570,435.35 and 254,363.72

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Solution

The fourth proportional to 381,037.64, 570,435.35 and 254,363.72 is: 380,797.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,037.64 : 570,435.35 = 254,363.72 : x
  2. Step 2: Convert to fraction form
    381,037.64/570,435.35 = 254,363.72/x
  3. Step 3: Cross multiply
    381,037.64x = 570,435.35 × 254,363.72
  4. Step 4: Simplify right side
    381,037.64x = 145,098,053,521.51
  5. Step 5: Solve for x
    x = 145,098,053,521.51/381,037.64
  6. Step 6: Final answer
    x = 380,797.17

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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.