Home / 370,919.78-511,869.57-201,153.90

Finding the Fourth Proportional to 370,919.78, 511,869.57 and 201,153.90

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Solution

The fourth proportional to 370,919.78, 511,869.57 and 201,153.90 is: 277,592.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,919.78 : 511,869.57 = 201,153.90 : x
  2. Step 2: Convert to fraction form
    370,919.78/511,869.57 = 201,153.90/x
  3. Step 3: Cross multiply
    370,919.78x = 511,869.57 × 201,153.90
  4. Step 4: Simplify right side
    370,919.78x = 102,964,560,296.82
  5. Step 5: Solve for x
    x = 102,964,560,296.82/370,919.78
  6. Step 6: Final answer
    x = 277,592.53

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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.