Home / 666,905.82-1,000,361.30-161,465.96

Finding the Fourth Proportional to 666,905.82, 1,000,361.30 and 161,465.96

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Solution

The fourth proportional to 666,905.82, 1,000,361.30 and 161,465.96 is: 242,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,905.82 : 1,000,361.30 = 161,465.96 : x
  2. Step 2: Convert to fraction form
    666,905.82/1,000,361.30 = 161,465.96/x
  3. Step 3: Cross multiply
    666,905.82x = 1,000,361.30 × 161,465.96
  4. Step 4: Simplify right side
    666,905.82x = 161,524,291,842.21
  5. Step 5: Solve for x
    x = 161,524,291,842.21/666,905.82
  6. Step 6: Final answer
    x = 242,199.55

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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.