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Finding the Fourth Proportional to 293,269.86, 404,685.45 and 165,924.90

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Solution

The fourth proportional to 293,269.86, 404,685.45 and 165,924.90 is: 228,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,269.86 : 404,685.45 = 165,924.90 : x
  2. Step 2: Convert to fraction form
    293,269.86/404,685.45 = 165,924.90/x
  3. Step 3: Cross multiply
    293,269.86x = 404,685.45 × 165,924.90
  4. Step 4: Simplify right side
    293,269.86x = 67,147,392,822.71
  5. Step 5: Solve for x
    x = 67,147,392,822.71/293,269.86
  6. Step 6: Final answer
    x = 228,961.11

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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.