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Finding the Fourth Proportional to 547,449.60, 820,860.84 and 168,271.68

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Solution

The fourth proportional to 547,449.60, 820,860.84 and 168,271.68 is: 252,311.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,449.60 : 820,860.84 = 168,271.68 : x
  2. Step 2: Convert to fraction form
    547,449.60/820,860.84 = 168,271.68/x
  3. Step 3: Cross multiply
    547,449.60x = 820,860.84 × 168,271.68
  4. Step 4: Simplify right side
    547,449.60x = 138,127,632,593.01
  5. Step 5: Solve for x
    x = 138,127,632,593.01/547,449.60
  6. Step 6: Final answer
    x = 252,311.14

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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.