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Finding the Fourth Proportional to 293,993.69, 440,988.91 and 107,005.19

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Solution

The fourth proportional to 293,993.69, 440,988.91 and 107,005.19 is: 160,507.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,993.69 : 440,988.91 = 107,005.19 : x
  2. Step 2: Convert to fraction form
    293,993.69/440,988.91 = 107,005.19/x
  3. Step 3: Cross multiply
    293,993.69x = 440,988.91 × 107,005.19
  4. Step 4: Simplify right side
    293,993.69x = 47,188,099,629.99
  5. Step 5: Solve for x
    x = 47,188,099,629.99/293,993.69
  6. Step 6: Final answer
    x = 160,507.19

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1.5x scale

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.