Home / 404,476.74-558,177.23-223,188.52

Finding the Fourth Proportional to 404,476.74, 558,177.23 and 223,188.52

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Solution

The fourth proportional to 404,476.74, 558,177.23 and 223,188.52 is: 307,999.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,476.74 : 558,177.23 = 223,188.52 : x
  2. Step 2: Convert to fraction form
    404,476.74/558,177.23 = 223,188.52/x
  3. Step 3: Cross multiply
    404,476.74x = 558,177.23 × 223,188.52
  4. Step 4: Simplify right side
    404,476.74x = 124,578,749,861.40
  5. Step 5: Solve for x
    x = 124,578,749,861.40/404,476.74
  6. Step 6: Final answer
    x = 307,999.79

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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.