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Finding the Fourth Proportional to 262,720.99, 361,791.32 and 228,249.77

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Solution

The fourth proportional to 262,720.99, 361,791.32 and 228,249.77 is: 314,321.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,720.99 : 361,791.32 = 228,249.77 : x
  2. Step 2: Convert to fraction form
    262,720.99/361,791.32 = 228,249.77/x
  3. Step 3: Cross multiply
    262,720.99x = 361,791.32 × 228,249.77
  4. Step 4: Simplify right side
    262,720.99x = 82,578,784,339.66
  5. Step 5: Solve for x
    x = 82,578,784,339.66/262,720.99
  6. Step 6: Final answer
    x = 314,321.23

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1.5x scale

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.