Home / 258,286.28-356,291.16-240,019.64

Finding the Fourth Proportional to 258,286.28, 356,291.16 and 240,019.64

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Solution

The fourth proportional to 258,286.28, 356,291.16 and 240,019.64 is: 331,093.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,286.28 : 356,291.16 = 240,019.64 : x
  2. Step 2: Convert to fraction form
    258,286.28/356,291.16 = 240,019.64/x
  3. Step 3: Cross multiply
    258,286.28x = 356,291.16 × 240,019.64
  4. Step 4: Simplify right side
    258,286.28x = 85,516,875,958.38
  5. Step 5: Solve for x
    x = 85,516,875,958.38/258,286.28
  6. Step 6: Final answer
    x = 331,093.37

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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.