Home / 326,094.20-489,141.30-231,615.80

Finding the Fourth Proportional to 326,094.20, 489,141.30 and 231,615.80

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Solution

The fourth proportional to 326,094.20, 489,141.30 and 231,615.80 is: 347,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,094.20 : 489,141.30 = 231,615.80 : x
  2. Step 2: Convert to fraction form
    326,094.20/489,141.30 = 231,615.80/x
  3. Step 3: Cross multiply
    326,094.20x = 489,141.30 × 231,615.80
  4. Step 4: Simplify right side
    326,094.20x = 113,292,853,512.54
  5. Step 5: Solve for x
    x = 113,292,853,512.54/326,094.20
  6. Step 6: Final answer
    x = 347,423.70

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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.