Home / 424,006.08-636,031.26-108,465.72

Finding the Fourth Proportional to 424,006.08, 636,031.26 and 108,465.72

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Solution

The fourth proportional to 424,006.08, 636,031.26 and 108,465.72 is: 162,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,006.08 : 636,031.26 = 108,465.72 : x
  2. Step 2: Convert to fraction form
    424,006.08/636,031.26 = 108,465.72/x
  3. Step 3: Cross multiply
    424,006.08x = 636,031.26 × 108,465.72
  4. Step 4: Simplify right side
    424,006.08x = 68,987,588,558.41
  5. Step 5: Solve for x
    x = 68,987,588,558.41/424,006.08
  6. Step 6: Final answer
    x = 162,704.24

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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.