Home / 239,456.82-358,942.69-155,270.39

Finding the Fourth Proportional to 239,456.82, 358,942.69 and 155,270.39

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Solution

The fourth proportional to 239,456.82, 358,942.69 and 155,270.39 is: 232,748.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,456.82 : 358,942.69 = 155,270.39 : x
  2. Step 2: Convert to fraction form
    239,456.82/358,942.69 = 155,270.39/x
  3. Step 3: Cross multiply
    239,456.82x = 358,942.69 × 155,270.39
  4. Step 4: Simplify right side
    239,456.82x = 55,733,169,863.32
  5. Step 5: Solve for x
    x = 55,733,169,863.32/239,456.82
  6. Step 6: Final answer
    x = 232,748.31

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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.