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Finding the Fourth Proportional to 404,154.31, 557,746.42 and 220,402.94

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Solution

The fourth proportional to 404,154.31, 557,746.42 and 220,402.94 is: 304,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,154.31 : 557,746.42 = 220,402.94 : x
  2. Step 2: Convert to fraction form
    404,154.31/557,746.42 = 220,402.94/x
  3. Step 3: Cross multiply
    404,154.31x = 557,746.42 × 220,402.94
  4. Step 4: Simplify right side
    404,154.31x = 122,928,950,742.48
  5. Step 5: Solve for x
    x = 122,928,950,742.48/404,154.31
  6. Step 6: Final answer
    x = 304,163.40

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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.