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Finding the Fourth Proportional to 251,027.80, 376,534.02 and 84,801.88

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Solution

The fourth proportional to 251,027.80, 376,534.02 and 84,801.88 is: 127,200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,027.80 : 376,534.02 = 84,801.88 : x
  2. Step 2: Convert to fraction form
    251,027.80/376,534.02 = 84,801.88/x
  3. Step 3: Cross multiply
    251,027.80x = 376,534.02 × 84,801.88
  4. Step 4: Simplify right side
    251,027.80x = 31,930,792,779.96
  5. Step 5: Solve for x
    x = 31,930,792,779.96/251,027.80
  6. Step 6: Final answer
    x = 127,200.23

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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.