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Finding the Fourth Proportional to 558,855, 838,361.34 and 179,648.64

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Solution

The fourth proportional to 558,855, 838,361.34 and 179,648.64 is: 269,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,855 : 838,361.34 = 179,648.64 : x
  2. Step 2: Convert to fraction form
    558,855/838,361.34 = 179,648.64/x
  3. Step 3: Cross multiply
    558,855x = 838,361.34 × 179,648.64
  4. Step 4: Simplify right side
    558,855x = 150,610,474,559.58
  5. Step 5: Solve for x
    x = 150,610,474,559.58/558,855
  6. Step 6: Final answer
    x = 269,498.30

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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.