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Finding the Fourth Proportional to 374,920.40, 517,383.24 and 205,151.12

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Solution

The fourth proportional to 374,920.40, 517,383.24 and 205,151.12 is: 283,104.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,920.40 : 517,383.24 = 205,151.12 : x
  2. Step 2: Convert to fraction form
    374,920.40/517,383.24 = 205,151.12/x
  3. Step 3: Cross multiply
    374,920.40x = 517,383.24 × 205,151.12
  4. Step 4: Simplify right side
    374,920.40x = 106,141,751,155.23
  5. Step 5: Solve for x
    x = 106,141,751,155.23/374,920.40
  6. Step 6: Final answer
    x = 283,104.76

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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.