Home / 274,172.07-378,392.67-153,320.10

Finding the Fourth Proportional to 274,172.07, 378,392.67 and 153,320.10

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Solution

The fourth proportional to 274,172.07, 378,392.67 and 153,320.10 is: 211,601.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,172.07 : 378,392.67 = 153,320.10 : x
  2. Step 2: Convert to fraction form
    274,172.07/378,392.67 = 153,320.10/x
  3. Step 3: Cross multiply
    274,172.07x = 378,392.67 × 153,320.10
  4. Step 4: Simplify right side
    274,172.07x = 58,015,202,003.67
  5. Step 5: Solve for x
    x = 58,015,202,003.67/274,172.07
  6. Step 6: Final answer
    x = 211,601.43

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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.