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Finding the Fourth Proportional to 533,048.64, 799,711.44 and 159,071.64

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Solution

The fourth proportional to 533,048.64, 799,711.44 and 159,071.64 is: 238,648.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,048.64 : 799,711.44 = 159,071.64 : x
  2. Step 2: Convert to fraction form
    533,048.64/799,711.44 = 159,071.64/x
  3. Step 3: Cross multiply
    533,048.64x = 799,711.44 × 159,071.64
  4. Step 4: Simplify right side
    533,048.64x = 127,211,410,287.56
  5. Step 5: Solve for x
    x = 127,211,410,287.56/533,048.64
  6. Step 6: Final answer
    x = 238,648.79

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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.