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Finding the Fourth Proportional to 311,003.64, 466,636.68 and 153,233.64

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Solution

The fourth proportional to 311,003.64, 466,636.68 and 153,233.64 is: 229,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,003.64 : 466,636.68 = 153,233.64 : x
  2. Step 2: Convert to fraction form
    311,003.64/466,636.68 = 153,233.64/x
  3. Step 3: Cross multiply
    311,003.64x = 466,636.68 × 153,233.64
  4. Step 4: Simplify right side
    311,003.64x = 71,504,437,033.92
  5. Step 5: Solve for x
    x = 71,504,437,033.92/311,003.64
  6. Step 6: Final answer
    x = 229,915.11

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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.