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Finding the Fourth Proportional to 547,560.60, 821,202.25 and 163,220.76

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Solution

The fourth proportional to 547,560.60, 821,202.25 and 163,220.76 is: 244,789.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,560.60 : 821,202.25 = 163,220.76 : x
  2. Step 2: Convert to fraction form
    547,560.60/821,202.25 = 163,220.76/x
  3. Step 3: Cross multiply
    547,560.60x = 821,202.25 × 163,220.76
  4. Step 4: Simplify right side
    547,560.60x = 134,037,255,358.71
  5. Step 5: Solve for x
    x = 134,037,255,358.71/547,560.60
  6. Step 6: Final answer
    x = 244,789.81

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1.5x scale

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.