Home / 231,819.40-347,729.10-201,406.60

Finding the Fourth Proportional to 231,819.40, 347,729.10 and 201,406.60

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Solution

The fourth proportional to 231,819.40, 347,729.10 and 201,406.60 is: 302,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,819.40 : 347,729.10 = 201,406.60 : x
  2. Step 2: Convert to fraction form
    231,819.40/347,729.10 = 201,406.60/x
  3. Step 3: Cross multiply
    231,819.40x = 347,729.10 × 201,406.60
  4. Step 4: Simplify right side
    231,819.40x = 70,034,935,752.06
  5. Step 5: Solve for x
    x = 70,034,935,752.06/231,819.40
  6. Step 6: Final answer
    x = 302,109.90

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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.