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Finding the Fourth Proportional to 247,037.72, 340,786.32 and 156,241.04

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Solution

The fourth proportional to 247,037.72, 340,786.32 and 156,241.04 is: 215,533.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,037.72 : 340,786.32 = 156,241.04 : x
  2. Step 2: Convert to fraction form
    247,037.72/340,786.32 = 156,241.04/x
  3. Step 3: Cross multiply
    247,037.72x = 340,786.32 × 156,241.04
  4. Step 4: Simplify right side
    247,037.72x = 53,244,809,054.57
  5. Step 5: Solve for x
    x = 53,244,809,054.57/247,037.72
  6. Step 6: Final answer
    x = 215,533.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.