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Finding the Fourth Proportional to 384,355.59, 530,370.48 and 223,179.22

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Solution

The fourth proportional to 384,355.59, 530,370.48 and 223,179.22 is: 307,963.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,355.59 : 530,370.48 = 223,179.22 : x
  2. Step 2: Convert to fraction form
    384,355.59/530,370.48 = 223,179.22/x
  3. Step 3: Cross multiply
    384,355.59x = 530,370.48 × 223,179.22
  4. Step 4: Simplify right side
    384,355.59x = 118,367,670,037.43
  5. Step 5: Solve for x
    x = 118,367,670,037.43/384,355.59
  6. Step 6: Final answer
    x = 307,963.96

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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.