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Finding the Fourth Proportional to 303,682.92, 455,477.66 and 101,282.58

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Solution

The fourth proportional to 303,682.92, 455,477.66 and 101,282.58 is: 151,908.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,682.92 : 455,477.66 = 101,282.58 : x
  2. Step 2: Convert to fraction form
    303,682.92/455,477.66 = 101,282.58/x
  3. Step 3: Cross multiply
    303,682.92x = 455,477.66 × 101,282.58
  4. Step 4: Simplify right side
    303,682.92x = 46,131,952,537.16
  5. Step 5: Solve for x
    x = 46,131,952,537.16/303,682.92
  6. Step 6: Final answer
    x = 151,908.29

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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.