Home / 424,741.20-637,222.90-158,504.08

Finding the Fourth Proportional to 424,741.20, 637,222.90 and 158,504.08

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Solution

The fourth proportional to 424,741.20, 637,222.90 and 158,504.08 is: 237,797.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,741.20 : 637,222.90 = 158,504.08 : x
  2. Step 2: Convert to fraction form
    424,741.20/637,222.90 = 158,504.08/x
  3. Step 3: Cross multiply
    424,741.20x = 637,222.90 × 158,504.08
  4. Step 4: Simplify right side
    424,741.20x = 101,002,429,519.43
  5. Step 5: Solve for x
    x = 101,002,429,519.43/424,741.20
  6. Step 6: Final answer
    x = 237,797.58

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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.