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Finding the Fourth Proportional to 293,278.87, 404,723.41 and 159,142.87

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Solution

The fourth proportional to 293,278.87, 404,723.41 and 159,142.87 is: 219,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,278.87 : 404,723.41 = 159,142.87 : x
  2. Step 2: Convert to fraction form
    293,278.87/404,723.41 = 159,142.87/x
  3. Step 3: Cross multiply
    293,278.87x = 404,723.41 × 159,142.87
  4. Step 4: Simplify right side
    293,278.87x = 64,408,845,023.59
  5. Step 5: Solve for x
    x = 64,408,845,023.59/293,278.87
  6. Step 6: Final answer
    x = 219,616.38

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1.5x scale

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.