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Finding the Fourth Proportional to 400,168.06, 600,207.88 and 100,648.76

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Solution

The fourth proportional to 400,168.06, 600,207.88 and 100,648.76 is: 150,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,168.06 : 600,207.88 = 100,648.76 : x
  2. Step 2: Convert to fraction form
    400,168.06/600,207.88 = 100,648.76/x
  3. Step 3: Cross multiply
    400,168.06x = 600,207.88 × 100,648.76
  4. Step 4: Simplify right side
    400,168.06x = 60,410,178,864.23
  5. Step 5: Solve for x
    x = 60,410,178,864.23/400,168.06
  6. Step 6: Final answer
    x = 150,962.02

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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.