Home / 272,667.12-376,279.78-151,805.28

Finding the Fourth Proportional to 272,667.12, 376,279.78 and 151,805.28

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Solution

The fourth proportional to 272,667.12, 376,279.78 and 151,805.28 is: 209,490.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,667.12 : 376,279.78 = 151,805.28 : x
  2. Step 2: Convert to fraction form
    272,667.12/376,279.78 = 151,805.28/x
  3. Step 3: Cross multiply
    272,667.12x = 376,279.78 × 151,805.28
  4. Step 4: Simplify right side
    272,667.12x = 57,121,257,361.24
  5. Step 5: Solve for x
    x = 57,121,257,361.24/272,667.12
  6. Step 6: Final answer
    x = 209,490.82

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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.