Home / 424,949.73-637,023.90-211,515.84

Finding the Fourth Proportional to 424,949.73, 637,023.90 and 211,515.84

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Solution

The fourth proportional to 424,949.73, 637,023.90 and 211,515.84 is: 317,074.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,949.73 : 637,023.90 = 211,515.84 : x
  2. Step 2: Convert to fraction form
    424,949.73/637,023.90 = 211,515.84/x
  3. Step 3: Cross multiply
    424,949.73x = 637,023.90 × 211,515.84
  4. Step 4: Simplify right side
    424,949.73x = 134,740,647,168.63
  5. Step 5: Solve for x
    x = 134,740,647,168.63/424,949.73
  6. Step 6: Final answer
    x = 317,074.32

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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.