Home / 805,350.21-1,207,997.52-206,317.24

Finding the Fourth Proportional to 805,350.21, 1,207,997.52 and 206,317.24

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Solution

The fourth proportional to 805,350.21, 1,207,997.52 and 206,317.24 is: 309,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,350.21 : 1,207,997.52 = 206,317.24 : x
  2. Step 2: Convert to fraction form
    805,350.21/1,207,997.52 = 206,317.24/x
  3. Step 3: Cross multiply
    805,350.21x = 1,207,997.52 × 206,317.24
  4. Step 4: Simplify right side
    805,350.21x = 249,230,710,459.56
  5. Step 5: Solve for x
    x = 249,230,710,459.56/805,350.21
  6. Step 6: Final answer
    x = 309,468.74

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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.