Home / 293,709.25-440,115.27-218,465.47

Finding the Fourth Proportional to 293,709.25, 440,115.27 and 218,465.47

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Solution

The fourth proportional to 293,709.25, 440,115.27 and 218,465.47 is: 327,364.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,709.25 : 440,115.27 = 218,465.47 : x
  2. Step 2: Convert to fraction form
    293,709.25/440,115.27 = 218,465.47/x
  3. Step 3: Cross multiply
    293,709.25x = 440,115.27 × 218,465.47
  4. Step 4: Simplify right side
    293,709.25x = 96,149,989,314.73
  5. Step 5: Solve for x
    x = 96,149,989,314.73/293,709.25
  6. Step 6: Final answer
    x = 327,364.53

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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.