Home / 240,248.12-331,487.39-143,433.12

Finding the Fourth Proportional to 240,248.12, 331,487.39 and 143,433.12

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Solution

The fourth proportional to 240,248.12, 331,487.39 and 143,433.12 is: 197,904.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,248.12 : 331,487.39 = 143,433.12 : x
  2. Step 2: Convert to fraction form
    240,248.12/331,487.39 = 143,433.12/x
  3. Step 3: Cross multiply
    240,248.12x = 331,487.39 × 143,433.12
  4. Step 4: Simplify right side
    240,248.12x = 47,546,269,871.19
  5. Step 5: Solve for x
    x = 47,546,269,871.19/240,248.12
  6. Step 6: Final answer
    x = 197,904.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.