Home / 404,721.07-558,500.40-223,429.09

Finding the Fourth Proportional to 404,721.07, 558,500.40 and 223,429.09

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Solution

The fourth proportional to 404,721.07, 558,500.40 and 223,429.09 is: 308,324.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,721.07 : 558,500.40 = 223,429.09 : x
  2. Step 2: Convert to fraction form
    404,721.07/558,500.40 = 223,429.09/x
  3. Step 3: Cross multiply
    404,721.07x = 558,500.40 × 223,429.09
  4. Step 4: Simplify right side
    404,721.07x = 124,785,236,136.64
  5. Step 5: Solve for x
    x = 124,785,236,136.64/404,721.07
  6. Step 6: Final answer
    x = 308,324.04

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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.