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Finding the Fourth Proportional to 489,930.46, 734,889.18 and 237,233.55

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Solution

The fourth proportional to 489,930.46, 734,889.18 and 237,233.55 is: 355,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,930.46 : 734,889.18 = 237,233.55 : x
  2. Step 2: Convert to fraction form
    489,930.46/734,889.18 = 237,233.55/x
  3. Step 3: Cross multiply
    489,930.46x = 734,889.18 × 237,233.55
  4. Step 4: Simplify right side
    489,930.46x = 174,340,369,027.99
  5. Step 5: Solve for x
    x = 174,340,369,027.99/489,930.46
  6. Step 6: Final answer
    x = 355,847.17

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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.