Home / 489,013.05-733,440.87-133,944.03

Finding the Fourth Proportional to 489,013.05, 733,440.87 and 133,944.03

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Solution

The fourth proportional to 489,013.05, 733,440.87 and 133,944.03 is: 200,894.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,013.05 : 733,440.87 = 133,944.03 : x
  2. Step 2: Convert to fraction form
    489,013.05/733,440.87 = 133,944.03/x
  3. Step 3: Cross multiply
    489,013.05x = 733,440.87 × 133,944.03
  4. Step 4: Simplify right side
    489,013.05x = 98,240,025,894.51
  5. Step 5: Solve for x
    x = 98,240,025,894.51/489,013.05
  6. Step 6: Final answer
    x = 200,894.49

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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.