Home / 231,931.96-317,667.92-218,314.24

Finding the Fourth Proportional to 231,931.96, 317,667.92 and 218,314.24

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Solution

The fourth proportional to 231,931.96, 317,667.92 and 218,314.24 is: 299,016.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,931.96 : 317,667.92 = 218,314.24 : x
  2. Step 2: Convert to fraction form
    231,931.96/317,667.92 = 218,314.24/x
  3. Step 3: Cross multiply
    231,931.96x = 317,667.92 × 218,314.24
  4. Step 4: Simplify right side
    231,931.96x = 69,351,430,527.18
  5. Step 5: Solve for x
    x = 69,351,430,527.18/231,931.96
  6. Step 6: Final answer
    x = 299,016.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.