Home / 227,215.40-340,819.90-102,556.20

Finding the Fourth Proportional to 227,215.40, 340,819.90 and 102,556.20

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Solution

The fourth proportional to 227,215.40, 340,819.90 and 102,556.20 is: 153,832.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,215.40 : 340,819.90 = 102,556.20 : x
  2. Step 2: Convert to fraction form
    227,215.40/340,819.90 = 102,556.20/x
  3. Step 3: Cross multiply
    227,215.40x = 340,819.90 × 102,556.20
  4. Step 4: Simplify right side
    227,215.40x = 34,953,193,828.38
  5. Step 5: Solve for x
    x = 34,953,193,828.38/227,215.40
  6. Step 6: Final answer
    x = 153,832.86

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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.