Home / 217,954.20-300,777.06-122,460.84

Finding the Fourth Proportional to 217,954.20, 300,777.06 and 122,460.84

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Solution

The fourth proportional to 217,954.20, 300,777.06 and 122,460.84 is: 168,996.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,954.20 : 300,777.06 = 122,460.84 : x
  2. Step 2: Convert to fraction form
    217,954.20/300,777.06 = 122,460.84/x
  3. Step 3: Cross multiply
    217,954.20x = 300,777.06 × 122,460.84
  4. Step 4: Simplify right side
    217,954.20x = 36,833,411,420.33
  5. Step 5: Solve for x
    x = 36,833,411,420.33/217,954.20
  6. Step 6: Final answer
    x = 168,996.11

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1.5x scale

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.