Home / 404,469.36-558,167.28-223,181.24

Finding the Fourth Proportional to 404,469.36, 558,167.28 and 223,181.24

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Solution

The fourth proportional to 404,469.36, 558,167.28 and 223,181.24 is: 307,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,469.36 : 558,167.28 = 223,181.24 : x
  2. Step 2: Convert to fraction form
    404,469.36/558,167.28 = 223,181.24/x
  3. Step 3: Cross multiply
    404,469.36x = 558,167.28 × 223,181.24
  4. Step 4: Simplify right side
    404,469.36x = 124,572,462,886.99
  5. Step 5: Solve for x
    x = 124,572,462,886.99/404,469.36
  6. Step 6: Final answer
    x = 307,989.86

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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.