Home / 245,511.14-338,754.56-143,516.88

Finding the Fourth Proportional to 245,511.14, 338,754.56 and 143,516.88

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Solution

The fourth proportional to 245,511.14, 338,754.56 and 143,516.88 is: 198,023.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,511.14 : 338,754.56 = 143,516.88 : x
  2. Step 2: Convert to fraction form
    245,511.14/338,754.56 = 143,516.88/x
  3. Step 3: Cross multiply
    245,511.14x = 338,754.56 × 143,516.88
  4. Step 4: Simplify right side
    245,511.14x = 48,616,996,819.39
  5. Step 5: Solve for x
    x = 48,616,996,819.39/245,511.14
  6. Step 6: Final answer
    x = 198,023.59

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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.