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Finding the Fourth Proportional to 609,013.03, 913,497.68 and 159,730.33

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Solution

The fourth proportional to 609,013.03, 913,497.68 and 159,730.33 is: 239,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,013.03 : 913,497.68 = 159,730.33 : x
  2. Step 2: Convert to fraction form
    609,013.03/913,497.68 = 159,730.33/x
  3. Step 3: Cross multiply
    609,013.03x = 913,497.68 × 159,730.33
  4. Step 4: Simplify right side
    609,013.03x = 145,913,285,081.98
  5. Step 5: Solve for x
    x = 145,913,285,081.98/609,013.03
  6. Step 6: Final answer
    x = 239,589.76

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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.