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Finding the Fourth Proportional to 275,775.92, 380,550.30 and 154,937.33

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Solution

The fourth proportional to 275,775.92, 380,550.30 and 154,937.33 is: 213,802.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,775.92 : 380,550.30 = 154,937.33 : x
  2. Step 2: Convert to fraction form
    275,775.92/380,550.30 = 154,937.33/x
  3. Step 3: Cross multiply
    275,775.92x = 380,550.30 × 154,937.33
  4. Step 4: Simplify right side
    275,775.92x = 58,961,448,297.82
  5. Step 5: Solve for x
    x = 58,961,448,297.82/275,775.92
  6. Step 6: Final answer
    x = 213,802.02

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1.5x scale

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.