Home / 231,881.40-347,822.10-195,139.80

Finding the Fourth Proportional to 231,881.40, 347,822.10 and 195,139.80

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Solution

The fourth proportional to 231,881.40, 347,822.10 and 195,139.80 is: 292,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,881.40 : 347,822.10 = 195,139.80 : x
  2. Step 2: Convert to fraction form
    231,881.40/347,822.10 = 195,139.80/x
  3. Step 3: Cross multiply
    231,881.40x = 347,822.10 × 195,139.80
  4. Step 4: Simplify right side
    231,881.40x = 67,873,935,029.58
  5. Step 5: Solve for x
    x = 67,873,935,029.58/231,881.40
  6. Step 6: Final answer
    x = 292,709.70

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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.