Home / 331,297.28-457,192-180,398.08

Finding the Fourth Proportional to 331,297.28, 457,192 and 180,398.08

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Solution

The fourth proportional to 331,297.28, 457,192 and 180,398.08 is: 248,950.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,297.28 : 457,192 = 180,398.08 : x
  2. Step 2: Convert to fraction form
    331,297.28/457,192 = 180,398.08/x
  3. Step 3: Cross multiply
    331,297.28x = 457,192 × 180,398.08
  4. Step 4: Simplify right side
    331,297.28x = 82,476,558,991.36
  5. Step 5: Solve for x
    x = 82,476,558,991.36/331,297.28
  6. Step 6: Final answer
    x = 248,950.31

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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.