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Finding the Fourth Proportional to 162,003.20, 243,004.80 and 154,622.09

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Solution

The fourth proportional to 162,003.20, 243,004.80 and 154,622.09 is: 231,933.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,003.20 : 243,004.80 = 154,622.09 : x
  2. Step 2: Convert to fraction form
    162,003.20/243,004.80 = 154,622.09/x
  3. Step 3: Cross multiply
    162,003.20x = 243,004.80 × 154,622.09
  4. Step 4: Simplify right side
    162,003.20x = 37,573,910,056.03
  5. Step 5: Solve for x
    x = 37,573,910,056.03/162,003.20
  6. Step 6: Final answer
    x = 231,933.14

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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.