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Finding the Fourth Proportional to 424,650.72, 637,114.32 and 203,052

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Solution

The fourth proportional to 424,650.72, 637,114.32 and 203,052 is: 304,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,650.72 : 637,114.32 = 203,052 : x
  2. Step 2: Convert to fraction form
    424,650.72/637,114.32 = 203,052/x
  3. Step 3: Cross multiply
    424,650.72x = 637,114.32 × 203,052
  4. Step 4: Simplify right side
    424,650.72x = 129,367,336,904.64
  5. Step 5: Solve for x
    x = 129,367,336,904.64/424,650.72
  6. Step 6: Final answer
    x = 304,644.10

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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.