Home / 492,823.60-739,089.60-193,131.70

Finding the Fourth Proportional to 492,823.60, 739,089.60 and 193,131.70

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Solution

The fourth proportional to 492,823.60, 739,089.60 and 193,131.70 is: 289,640.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,823.60 : 739,089.60 = 193,131.70 : x
  2. Step 2: Convert to fraction form
    492,823.60/739,089.60 = 193,131.70/x
  3. Step 3: Cross multiply
    492,823.60x = 739,089.60 × 193,131.70
  4. Step 4: Simplify right side
    492,823.60x = 142,741,630,900.32
  5. Step 5: Solve for x
    x = 142,741,630,900.32/492,823.60
  6. Step 6: Final answer
    x = 289,640.41

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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.