Home / 239,429.82-358,902.33-155,243.28

Finding the Fourth Proportional to 239,429.82, 358,902.33 and 155,243.28

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Solution

The fourth proportional to 239,429.82, 358,902.33 and 155,243.28 is: 232,707.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,429.82 : 358,902.33 = 155,243.28 : x
  2. Step 2: Convert to fraction form
    239,429.82/358,902.33 = 155,243.28/x
  3. Step 3: Cross multiply
    239,429.82x = 358,902.33 × 155,243.28
  4. Step 4: Simplify right side
    239,429.82x = 55,717,174,908.84
  5. Step 5: Solve for x
    x = 55,717,174,908.84/239,429.82
  6. Step 6: Final answer
    x = 232,707.75

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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.