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Finding the Fourth Proportional to 404,663.83, 558,438.02 and 223,372.46

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Solution

The fourth proportional to 404,663.83, 558,438.02 and 223,372.46 is: 308,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,663.83 : 558,438.02 = 223,372.46 : x
  2. Step 2: Convert to fraction form
    404,663.83/558,438.02 = 223,372.46/x
  3. Step 3: Cross multiply
    404,663.83x = 558,438.02 × 223,372.46
  4. Step 4: Simplify right side
    404,663.83x = 124,739,674,284.93
  5. Step 5: Solve for x
    x = 124,739,674,284.93/404,663.83
  6. Step 6: Final answer
    x = 308,255.06

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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.