Home / 205,979.25-308,774.03-155,299.58

Finding the Fourth Proportional to 205,979.25, 308,774.03 and 155,299.58

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Solution

The fourth proportional to 205,979.25, 308,774.03 and 155,299.58 is: 232,802.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,979.25 : 308,774.03 = 155,299.58 : x
  2. Step 2: Convert to fraction form
    205,979.25/308,774.03 = 155,299.58/x
  3. Step 3: Cross multiply
    205,979.25x = 308,774.03 × 155,299.58
  4. Step 4: Simplify right side
    205,979.25x = 47,952,476,011.44
  5. Step 5: Solve for x
    x = 47,952,476,011.44/205,979.25
  6. Step 6: Final answer
    x = 232,802.46

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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.