Home / 231,815.40-347,723.10-201,402.60

Finding the Fourth Proportional to 231,815.40, 347,723.10 and 201,402.60

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Solution

The fourth proportional to 231,815.40, 347,723.10 and 201,402.60 is: 302,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,815.40 : 347,723.10 = 201,402.60 : x
  2. Step 2: Convert to fraction form
    231,815.40/347,723.10 = 201,402.60/x
  3. Step 3: Cross multiply
    231,815.40x = 347,723.10 × 201,402.60
  4. Step 4: Simplify right side
    231,815.40x = 70,032,336,420.06
  5. Step 5: Solve for x
    x = 70,032,336,420.06/231,815.40
  6. Step 6: Final answer
    x = 302,103.90

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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.