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Finding the Fourth Proportional to 336,380.16, 504,719.28 and 178,570.56

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Solution

The fourth proportional to 336,380.16, 504,719.28 and 178,570.56 is: 267,934.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,380.16 : 504,719.28 = 178,570.56 : x
  2. Step 2: Convert to fraction form
    336,380.16/504,719.28 = 178,570.56/x
  3. Step 3: Cross multiply
    336,380.16x = 504,719.28 × 178,570.56
  4. Step 4: Simplify right side
    336,380.16x = 90,128,004,472.40
  5. Step 5: Solve for x
    x = 90,128,004,472.40/336,380.16
  6. Step 6: Final answer
    x = 267,934.96

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1.5x scale

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.