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Finding the Fourth Proportional to 568,236, 852,355.62 and 147,515.52

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Solution

The fourth proportional to 568,236, 852,355.62 and 147,515.52 is: 221,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,236 : 852,355.62 = 147,515.52 : x
  2. Step 2: Convert to fraction form
    568,236/852,355.62 = 147,515.52/x
  3. Step 3: Cross multiply
    568,236x = 852,355.62 × 147,515.52
  4. Step 4: Simplify right side
    568,236x = 125,735,682,509.22
  5. Step 5: Solve for x
    x = 125,735,682,509.22/568,236
  6. Step 6: Final answer
    x = 221,273.70

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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.