Home / 310,372.20-465,558.30-231,640.20

Finding the Fourth Proportional to 310,372.20, 465,558.30 and 231,640.20

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Solution

The fourth proportional to 310,372.20, 465,558.30 and 231,640.20 is: 347,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,372.20 : 465,558.30 = 231,640.20 : x
  2. Step 2: Convert to fraction form
    310,372.20/465,558.30 = 231,640.20/x
  3. Step 3: Cross multiply
    310,372.20x = 465,558.30 × 231,640.20
  4. Step 4: Simplify right side
    310,372.20x = 107,842,017,723.66
  5. Step 5: Solve for x
    x = 107,842,017,723.66/310,372.20
  6. Step 6: Final answer
    x = 347,460.30

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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.