Home / 274,500.39-378,792.96-153,621.26

Finding the Fourth Proportional to 274,500.39, 378,792.96 and 153,621.26

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Solution

The fourth proportional to 274,500.39, 378,792.96 and 153,621.26 is: 211,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,500.39 : 378,792.96 = 153,621.26 : x
  2. Step 2: Convert to fraction form
    274,500.39/378,792.96 = 153,621.26/x
  3. Step 3: Cross multiply
    274,500.39x = 378,792.96 × 153,621.26
  4. Step 4: Simplify right side
    274,500.39x = 58,190,650,744.76
  5. Step 5: Solve for x
    x = 58,190,650,744.76/274,500.39
  6. Step 6: Final answer
    x = 211,987.49

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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.