Home / 274,977.66-378,900.23-221,046.24

Finding the Fourth Proportional to 274,977.66, 378,900.23 and 221,046.24

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Solution

The fourth proportional to 274,977.66, 378,900.23 and 221,046.24 is: 304,586.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,977.66 : 378,900.23 = 221,046.24 : x
  2. Step 2: Convert to fraction form
    274,977.66/378,900.23 = 221,046.24/x
  3. Step 3: Cross multiply
    274,977.66x = 378,900.23 × 221,046.24
  4. Step 4: Simplify right side
    274,977.66x = 83,754,470,071.40
  5. Step 5: Solve for x
    x = 83,754,470,071.40/274,977.66
  6. Step 6: Final answer
    x = 304,586.45

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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.