Home / 231,867.40-347,801.10-206,935.60

Finding the Fourth Proportional to 231,867.40, 347,801.10 and 206,935.60

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Solution

The fourth proportional to 231,867.40, 347,801.10 and 206,935.60 is: 310,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,867.40 : 347,801.10 = 206,935.60 : x
  2. Step 2: Convert to fraction form
    231,867.40/347,801.10 = 206,935.60/x
  3. Step 3: Cross multiply
    231,867.40x = 347,801.10 × 206,935.60
  4. Step 4: Simplify right side
    231,867.40x = 71,972,429,309.16
  5. Step 5: Solve for x
    x = 71,972,429,309.16/231,867.40
  6. Step 6: Final answer
    x = 310,403.40

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1.5x scale

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.