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Finding the Fourth Proportional to 383,999.32, 576,255.90 and 159,359.77

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Solution

The fourth proportional to 383,999.32, 576,255.90 and 159,359.77 is: 239,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,999.32 : 576,255.90 = 159,359.77 : x
  2. Step 2: Convert to fraction form
    383,999.32/576,255.90 = 159,359.77/x
  3. Step 3: Cross multiply
    383,999.32x = 576,255.90 × 159,359.77
  4. Step 4: Simplify right side
    383,999.32x = 91,832,007,685.14
  5. Step 5: Solve for x
    x = 91,832,007,685.14/383,999.32
  6. Step 6: Final answer
    x = 239,146.28

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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.