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Finding the Fourth Proportional to 552,727.46, 828,998.44 and 153,408.80

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Solution

The fourth proportional to 552,727.46, 828,998.44 and 153,408.80 is: 230,087.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,727.46 : 828,998.44 = 153,408.80 : x
  2. Step 2: Convert to fraction form
    552,727.46/828,998.44 = 153,408.80/x
  3. Step 3: Cross multiply
    552,727.46x = 828,998.44 × 153,408.80
  4. Step 4: Simplify right side
    552,727.46x = 127,175,657,571.25
  5. Step 5: Solve for x
    x = 127,175,657,571.25/552,727.46
  6. Step 6: Final answer
    x = 230,087.46

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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.