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Finding the Fourth Proportional to 493,310, 739,965 and 160,886

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Solution

The fourth proportional to 493,310, 739,965 and 160,886 is: 241,329

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,310 : 739,965 = 160,886 : x
  2. Step 2: Convert to fraction form
    493,310/739,965 = 160,886/x
  3. Step 3: Cross multiply
    493,310x = 739,965 × 160,886
  4. Step 4: Simplify right side
    493,310x = 119,050,008,990
  5. Step 5: Solve for x
    x = 119,050,008,990/493,310
  6. Step 6: Final answer
    x = 241,329

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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.