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Finding the Fourth Proportional to 666,164.16, 999,236.97 and 160,720.92

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Solution

The fourth proportional to 666,164.16, 999,236.97 and 160,720.92 is: 241,079.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,164.16 : 999,236.97 = 160,720.92 : x
  2. Step 2: Convert to fraction form
    666,164.16/999,236.97 = 160,720.92/x
  3. Step 3: Cross multiply
    666,164.16x = 999,236.97 × 160,720.92
  4. Step 4: Simplify right side
    666,164.16x = 160,598,285,116.41
  5. Step 5: Solve for x
    x = 160,598,285,116.41/666,164.16
  6. Step 6: Final answer
    x = 241,079.14

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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.