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Finding the Fourth Proportional to 247,033.02, 340,905.78 and 133,855.77

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Solution

The fourth proportional to 247,033.02, 340,905.78 and 133,855.77 is: 184,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,033.02 : 340,905.78 = 133,855.77 : x
  2. Step 2: Convert to fraction form
    247,033.02/340,905.78 = 133,855.77/x
  3. Step 3: Cross multiply
    247,033.02x = 340,905.78 × 133,855.77
  4. Step 4: Simplify right side
    247,033.02x = 45,632,205,679.35
  5. Step 5: Solve for x
    x = 45,632,205,679.35/247,033.02
  6. Step 6: Final answer
    x = 184,721.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.