Home / 326,864.72-489,901.24-231,945.68

Finding the Fourth Proportional to 326,864.72, 489,901.24 and 231,945.68

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Solution

The fourth proportional to 326,864.72, 489,901.24 and 231,945.68 is: 347,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,864.72 : 489,901.24 = 231,945.68 : x
  2. Step 2: Convert to fraction form
    326,864.72/489,901.24 = 231,945.68/x
  3. Step 3: Cross multiply
    326,864.72x = 489,901.24 × 231,945.68
  4. Step 4: Simplify right side
    326,864.72x = 113,630,476,244.64
  5. Step 5: Solve for x
    x = 113,630,476,244.64/326,864.72
  6. Step 6: Final answer
    x = 347,637.63

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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.