Home / 269,823.08-372,372.72-155,138.24

Finding the Fourth Proportional to 269,823.08, 372,372.72 and 155,138.24

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Solution

The fourth proportional to 269,823.08, 372,372.72 and 155,138.24 is: 214,100.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,823.08 : 372,372.72 = 155,138.24 : x
  2. Step 2: Convert to fraction form
    269,823.08/372,372.72 = 155,138.24/x
  3. Step 3: Cross multiply
    269,823.08x = 372,372.72 × 155,138.24
  4. Step 4: Simplify right side
    269,823.08x = 57,769,248,404.81
  5. Step 5: Solve for x
    x = 57,769,248,404.81/269,823.08
  6. Step 6: Final answer
    x = 214,100.47

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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.