Home / 245,566.42-338,930.05-159,631.86

Finding the Fourth Proportional to 245,566.42, 338,930.05 and 159,631.86

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Solution

The fourth proportional to 245,566.42, 338,930.05 and 159,631.86 is: 220,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,566.42 : 338,930.05 = 159,631.86 : x
  2. Step 2: Convert to fraction form
    245,566.42/338,930.05 = 159,631.86/x
  3. Step 3: Cross multiply
    245,566.42x = 338,930.05 × 159,631.86
  4. Step 4: Simplify right side
    245,566.42x = 54,104,034,291.39
  5. Step 5: Solve for x
    x = 54,104,034,291.39/245,566.42
  6. Step 6: Final answer
    x = 220,323.42

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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.