Home / 424,938.12-637,446.14-109,396.04

Finding the Fourth Proportional to 424,938.12, 637,446.14 and 109,396.04

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Solution

The fourth proportional to 424,938.12, 637,446.14 and 109,396.04 is: 164,104.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,938.12 : 637,446.14 = 109,396.04 : x
  2. Step 2: Convert to fraction form
    424,938.12/637,446.14 = 109,396.04/x
  3. Step 3: Cross multiply
    424,938.12x = 637,446.14 × 109,396.04
  4. Step 4: Simplify right side
    424,938.12x = 69,734,083,429.29
  5. Step 5: Solve for x
    x = 69,734,083,429.29/424,938.12
  6. Step 6: Final answer
    x = 164,104.09

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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.