Home / 269,979.36-372,619.22-155,248.94

Finding the Fourth Proportional to 269,979.36, 372,619.22 and 155,248.94

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Solution

The fourth proportional to 269,979.36, 372,619.22 and 155,248.94 is: 214,270.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,979.36 : 372,619.22 = 155,248.94 : x
  2. Step 2: Convert to fraction form
    269,979.36/372,619.22 = 155,248.94/x
  3. Step 3: Cross multiply
    269,979.36x = 372,619.22 × 155,248.94
  4. Step 4: Simplify right side
    269,979.36x = 57,848,736,289.29
  5. Step 5: Solve for x
    x = 57,848,736,289.29/269,979.36
  6. Step 6: Final answer
    x = 214,270.96

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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.