Home / 489,172.35-733,722.08-204,789.45

Finding the Fourth Proportional to 489,172.35, 733,722.08 and 204,789.45

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Solution

The fourth proportional to 489,172.35, 733,722.08 and 204,789.45 is: 307,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,172.35 : 733,722.08 = 204,789.45 : x
  2. Step 2: Convert to fraction form
    489,172.35/733,722.08 = 204,789.45/x
  3. Step 3: Cross multiply
    489,172.35x = 733,722.08 × 204,789.45
  4. Step 4: Simplify right side
    489,172.35x = 150,258,540,192.11
  5. Step 5: Solve for x
    x = 150,258,540,192.11/489,172.35
  6. Step 6: Final answer
    x = 307,168.92

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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.