Home / 493,280.35-739,941.10-156,313.54

Finding the Fourth Proportional to 493,280.35, 739,941.10 and 156,313.54

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Solution

The fourth proportional to 493,280.35, 739,941.10 and 156,313.54 is: 234,476.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,280.35 : 739,941.10 = 156,313.54 : x
  2. Step 2: Convert to fraction form
    493,280.35/739,941.10 = 156,313.54/x
  3. Step 3: Cross multiply
    493,280.35x = 739,941.10 × 156,313.54
  4. Step 4: Simplify right side
    493,280.35x = 115,662,813,123.28
  5. Step 5: Solve for x
    x = 115,662,813,123.28/493,280.35
  6. Step 6: Final answer
    x = 234,476.83

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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.