Home / 404,476.31-558,176.64-223,188.09

Finding the Fourth Proportional to 404,476.31, 558,176.64 and 223,188.09

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Solution

The fourth proportional to 404,476.31, 558,176.64 and 223,188.09 is: 307,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,476.31 : 558,176.64 = 223,188.09 : x
  2. Step 2: Convert to fraction form
    404,476.31/558,176.64 = 223,188.09/x
  3. Step 3: Cross multiply
    404,476.31x = 558,176.64 × 223,188.09
  4. Step 4: Simplify right side
    404,476.31x = 124,578,378,844.64
  5. Step 5: Solve for x
    x = 124,578,378,844.64/404,476.31
  6. Step 6: Final answer
    x = 307,999.20

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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.