Home / 272,844.78-376,475.83-151,983.06

Finding the Fourth Proportional to 272,844.78, 376,475.83 and 151,983.06

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Solution

The fourth proportional to 272,844.78, 376,475.83 and 151,983.06 is: 209,708.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,844.78 : 376,475.83 = 151,983.06 : x
  2. Step 2: Convert to fraction form
    272,844.78/376,475.83 = 151,983.06/x
  3. Step 3: Cross multiply
    272,844.78x = 376,475.83 × 151,983.06
  4. Step 4: Simplify right side
    272,844.78x = 57,217,949,600.63
  5. Step 5: Solve for x
    x = 57,217,949,600.63/272,844.78
  6. Step 6: Final answer
    x = 209,708.79

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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.