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Finding the Fourth Proportional to 234,346.60, 323,404.22 and 143,752.52

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Solution

The fourth proportional to 234,346.60, 323,404.22 and 143,752.52 is: 198,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,346.60 : 323,404.22 = 143,752.52 : x
  2. Step 2: Convert to fraction form
    234,346.60/323,404.22 = 143,752.52/x
  3. Step 3: Cross multiply
    234,346.60x = 323,404.22 × 143,752.52
  4. Step 4: Simplify right side
    234,346.60x = 46,490,171,603.63
  5. Step 5: Solve for x
    x = 46,490,171,603.63/234,346.60
  6. Step 6: Final answer
    x = 198,382.10

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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.