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Finding the Fourth Proportional to 404,635.62, 558,397.20 and 223,347.60

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Solution

The fourth proportional to 404,635.62, 558,397.20 and 223,347.60 is: 308,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,635.62 : 558,397.20 = 223,347.60 : x
  2. Step 2: Convert to fraction form
    404,635.62/558,397.20 = 223,347.60/x
  3. Step 3: Cross multiply
    404,635.62x = 558,397.20 × 223,347.60
  4. Step 4: Simplify right side
    404,635.62x = 124,716,674,466.72
  5. Step 5: Solve for x
    x = 124,716,674,466.72/404,635.62
  6. Step 6: Final answer
    x = 308,219.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.