Home / 297,084.76-409,977.18-161,118.70

Finding the Fourth Proportional to 297,084.76, 409,977.18 and 161,118.70

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Solution

The fourth proportional to 297,084.76, 409,977.18 and 161,118.70 is: 222,343.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,084.76 : 409,977.18 = 161,118.70 : x
  2. Step 2: Convert to fraction form
    297,084.76/409,977.18 = 161,118.70/x
  3. Step 3: Cross multiply
    297,084.76x = 409,977.18 × 161,118.70
  4. Step 4: Simplify right side
    297,084.76x = 66,054,990,271.27
  5. Step 5: Solve for x
    x = 66,054,990,271.27/297,084.76
  6. Step 6: Final answer
    x = 222,343.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.