Home / 853,961.32-1,280,941.98-222,869.67

Finding the Fourth Proportional to 853,961.32, 1,280,941.98 and 222,869.67

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Solution

The fourth proportional to 853,961.32, 1,280,941.98 and 222,869.67 is: 334,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,961.32 : 1,280,941.98 = 222,869.67 : x
  2. Step 2: Convert to fraction form
    853,961.32/1,280,941.98 = 222,869.67/x
  3. Step 3: Cross multiply
    853,961.32x = 1,280,941.98 × 222,869.67
  4. Step 4: Simplify right side
    853,961.32x = 285,483,116,371.75
  5. Step 5: Solve for x
    x = 285,483,116,371.75/853,961.32
  6. Step 6: Final answer
    x = 334,304.51

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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.