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Finding the Fourth Proportional to 256,127.00, 383,238.99 and 160,911.39

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Solution

The fourth proportional to 256,127.00, 383,238.99 and 160,911.39 is: 240,769.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,127.00 : 383,238.99 = 160,911.39 : x
  2. Step 2: Convert to fraction form
    256,127.00/383,238.99 = 160,911.39/x
  3. Step 3: Cross multiply
    256,127.00x = 383,238.99 × 160,911.39
  4. Step 4: Simplify right side
    256,127.00x = 61,667,518,583.10
  5. Step 5: Solve for x
    x = 61,667,518,583.10/256,127.00
  6. Step 6: Final answer
    x = 240,769.31

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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.