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Finding the Fourth Proportional to 286,246.44, 429,369.66 and 108,711.72

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Solution

The fourth proportional to 286,246.44, 429,369.66 and 108,711.72 is: 163,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,246.44 : 429,369.66 = 108,711.72 : x
  2. Step 2: Convert to fraction form
    286,246.44/429,369.66 = 108,711.72/x
  3. Step 3: Cross multiply
    286,246.44x = 429,369.66 × 108,711.72
  4. Step 4: Simplify right side
    286,246.44x = 46,677,514,254.42
  5. Step 5: Solve for x
    x = 46,677,514,254.42/286,246.44
  6. Step 6: Final answer
    x = 163,067.58

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1.5x scale

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.