Home / 240,270.56-331,191.66-189,202.28

Finding the Fourth Proportional to 240,270.56, 331,191.66 and 189,202.28

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Solution

The fourth proportional to 240,270.56, 331,191.66 and 189,202.28 is: 260,798.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,270.56 : 331,191.66 = 189,202.28 : x
  2. Step 2: Convert to fraction form
    240,270.56/331,191.66 = 189,202.28/x
  3. Step 3: Cross multiply
    240,270.56x = 331,191.66 × 189,202.28
  4. Step 4: Simplify right side
    240,270.56x = 62,662,217,188.98
  5. Step 5: Solve for x
    x = 62,662,217,188.98/240,270.56
  6. Step 6: Final answer
    x = 260,798.56

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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.