Home / 293,190.12-404,247.78-247,788

Finding the Fourth Proportional to 293,190.12, 404,247.78 and 247,788

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Solution

The fourth proportional to 293,190.12, 404,247.78 and 247,788 is: 341,647.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,190.12 : 404,247.78 = 247,788 : x
  2. Step 2: Convert to fraction form
    293,190.12/404,247.78 = 247,788/x
  3. Step 3: Cross multiply
    293,190.12x = 404,247.78 × 247,788
  4. Step 4: Simplify right side
    293,190.12x = 100,167,748,910.64
  5. Step 5: Solve for x
    x = 100,167,748,910.64/293,190.12
  6. Step 6: Final answer
    x = 341,647.76

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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.