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Finding the Fourth Proportional to 360,282.66, 539,676.28 and 210,067.35

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Solution

The fourth proportional to 360,282.66, 539,676.28 and 210,067.35 is: 314,665.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,282.66 : 539,676.28 = 210,067.35 : x
  2. Step 2: Convert to fraction form
    360,282.66/539,676.28 = 210,067.35/x
  3. Step 3: Cross multiply
    360,282.66x = 539,676.28 × 210,067.35
  4. Step 4: Simplify right side
    360,282.66x = 113,368,365,997.46
  5. Step 5: Solve for x
    x = 113,368,365,997.46/360,282.66
  6. Step 6: Final answer
    x = 314,665.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.