Home / 666,910.95-1,000,368.98-161,471.08

Finding the Fourth Proportional to 666,910.95, 1,000,368.98 and 161,471.08

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Solution

The fourth proportional to 666,910.95, 1,000,368.98 and 161,471.08 is: 242,207.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,910.95 : 1,000,368.98 = 161,471.08 : x
  2. Step 2: Convert to fraction form
    666,910.95/1,000,368.98 = 161,471.08/x
  3. Step 3: Cross multiply
    666,910.95x = 1,000,368.98 × 161,471.08
  4. Step 4: Simplify right side
    666,910.95x = 161,530,659,599.10
  5. Step 5: Solve for x
    x = 161,530,659,599.10/666,910.95
  6. Step 6: Final answer
    x = 242,207.24

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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.