Home / 245,678.28-338,866.38-150,231.96

Finding the Fourth Proportional to 245,678.28, 338,866.38 and 150,231.96

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Solution

The fourth proportional to 245,678.28, 338,866.38 and 150,231.96 is: 207,216.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,678.28 : 338,866.38 = 150,231.96 : x
  2. Step 2: Convert to fraction form
    245,678.28/338,866.38 = 150,231.96/x
  3. Step 3: Cross multiply
    245,678.28x = 338,866.38 × 150,231.96
  4. Step 4: Simplify right side
    245,678.28x = 50,908,560,445.50
  5. Step 5: Solve for x
    x = 50,908,560,445.50/245,678.28
  6. Step 6: Final answer
    x = 207,216.37

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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.