Home / 211,856.33-317,489.24-159,204.30

Finding the Fourth Proportional to 211,856.33, 317,489.24 and 159,204.30

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Solution

The fourth proportional to 211,856.33, 317,489.24 and 159,204.30 is: 238,584.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,856.33 : 317,489.24 = 159,204.30 : x
  2. Step 2: Convert to fraction form
    211,856.33/317,489.24 = 159,204.30/x
  3. Step 3: Cross multiply
    211,856.33x = 317,489.24 × 159,204.30
  4. Step 4: Simplify right side
    211,856.33x = 50,545,651,415.71
  5. Step 5: Solve for x
    x = 50,545,651,415.71/211,856.33
  6. Step 6: Final answer
    x = 238,584.58

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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.