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Finding the Fourth Proportional to 293,404.20, 440,106.30 and 93,731.10

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Solution

The fourth proportional to 293,404.20, 440,106.30 and 93,731.10 is: 140,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,404.20 : 440,106.30 = 93,731.10 : x
  2. Step 2: Convert to fraction form
    293,404.20/440,106.30 = 93,731.10/x
  3. Step 3: Cross multiply
    293,404.20x = 440,106.30 × 93,731.10
  4. Step 4: Simplify right side
    293,404.20x = 41,251,647,615.93
  5. Step 5: Solve for x
    x = 41,251,647,615.93/293,404.20
  6. Step 6: Final answer
    x = 140,596.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.