Home / 493,043.12-739,566.87-156,085.44

Finding the Fourth Proportional to 493,043.12, 739,566.87 and 156,085.44

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Solution

The fourth proportional to 493,043.12, 739,566.87 and 156,085.44 is: 234,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,043.12 : 739,566.87 = 156,085.44 : x
  2. Step 2: Convert to fraction form
    493,043.12/739,566.87 = 156,085.44/x
  3. Step 3: Cross multiply
    493,043.12x = 739,566.87 × 156,085.44
  4. Step 4: Simplify right side
    493,043.12x = 115,435,619,532.95
  5. Step 5: Solve for x
    x = 115,435,619,532.95/493,043.12
  6. Step 6: Final answer
    x = 234,128.85

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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.