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Finding the Fourth Proportional to 455,031.10, 628,067.82 and 264,106

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Solution

The fourth proportional to 455,031.10, 628,067.82 and 264,106 is: 364,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,031.10 : 628,067.82 = 264,106 : x
  2. Step 2: Convert to fraction form
    455,031.10/628,067.82 = 264,106/x
  3. Step 3: Cross multiply
    455,031.10x = 628,067.82 × 264,106
  4. Step 4: Simplify right side
    455,031.10x = 165,876,479,668.92
  5. Step 5: Solve for x
    x = 165,876,479,668.92/455,031.10
  6. Step 6: Final answer
    x = 364,538.77

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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.