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Finding the Fourth Proportional to 400,168.56, 600,208.63 and 100,649.26

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Solution

The fourth proportional to 400,168.56, 600,208.63 and 100,649.26 is: 150,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,168.56 : 600,208.63 = 100,649.26 : x
  2. Step 2: Convert to fraction form
    400,168.56/600,208.63 = 100,649.26/x
  3. Step 3: Cross multiply
    400,168.56x = 600,208.63 × 100,649.26
  4. Step 4: Simplify right side
    400,168.56x = 60,410,554,455.11
  5. Step 5: Solve for x
    x = 60,410,554,455.11/400,168.56
  6. Step 6: Final answer
    x = 150,962.77

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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.