Home / 493,281.10-739,942.23-156,314.29

Finding the Fourth Proportional to 493,281.10, 739,942.23 and 156,314.29

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Solution

The fourth proportional to 493,281.10, 739,942.23 and 156,314.29 is: 234,477.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,281.10 : 739,942.23 = 156,314.29 : x
  2. Step 2: Convert to fraction form
    493,281.10/739,942.23 = 156,314.29/x
  3. Step 3: Cross multiply
    493,281.10x = 739,942.23 × 156,314.29
  4. Step 4: Simplify right side
    493,281.10x = 115,663,544,323.47
  5. Step 5: Solve for x
    x = 115,663,544,323.47/493,281.10
  6. Step 6: Final answer
    x = 234,477.96

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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.