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Finding the Fourth Proportional to 399,602, 599,403 and 104,114

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Solution

The fourth proportional to 399,602, 599,403 and 104,114 is: 156,171

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,602 : 599,403 = 104,114 : x
  2. Step 2: Convert to fraction form
    399,602/599,403 = 104,114/x
  3. Step 3: Cross multiply
    399,602x = 599,403 × 104,114
  4. Step 4: Simplify right side
    399,602x = 62,406,243,942
  5. Step 5: Solve for x
    x = 62,406,243,942/399,602
  6. Step 6: Final answer
    x = 156,171

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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.