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Finding the Fourth Proportional to 424,454.58, 636,704.55 and 108,914.22

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Solution

The fourth proportional to 424,454.58, 636,704.55 and 108,914.22 is: 163,377.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,454.58 : 636,704.55 = 108,914.22 : x
  2. Step 2: Convert to fraction form
    424,454.58/636,704.55 = 108,914.22/x
  3. Step 3: Cross multiply
    424,454.58x = 636,704.55 × 108,914.22
  4. Step 4: Simplify right side
    424,454.58x = 69,346,179,433.70
  5. Step 5: Solve for x
    x = 69,346,179,433.70/424,454.58
  6. Step 6: Final answer
    x = 163,377.15

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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.