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Finding the Fourth Proportional to 512,122.08, 767,154.24 and 255,179.64

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Solution

The fourth proportional to 512,122.08, 767,154.24 and 255,179.64 is: 382,256.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,122.08 : 767,154.24 = 255,179.64 : x
  2. Step 2: Convert to fraction form
    512,122.08/767,154.24 = 255,179.64/x
  3. Step 3: Cross multiply
    512,122.08x = 767,154.24 × 255,179.64
  4. Step 4: Simplify right side
    512,122.08x = 195,762,142,787.67
  5. Step 5: Solve for x
    x = 195,762,142,787.67/512,122.08
  6. Step 6: Final answer
    x = 382,256.79

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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.