Home / 493,281.35-739,942.60-156,314.54

Finding the Fourth Proportional to 493,281.35, 739,942.60 and 156,314.54

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Solution

The fourth proportional to 493,281.35, 739,942.60 and 156,314.54 is: 234,478.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,281.35 : 739,942.60 = 156,314.54 : x
  2. Step 2: Convert to fraction form
    493,281.35/739,942.60 = 156,314.54/x
  3. Step 3: Cross multiply
    493,281.35x = 739,942.60 × 156,314.54
  4. Step 4: Simplify right side
    493,281.35x = 115,663,787,145.40
  5. Step 5: Solve for x
    x = 115,663,787,145.40/493,281.35
  6. Step 6: Final answer
    x = 234,478.33

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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.