Home / 252,291.30-378,008.72-152,241.28

Finding the Fourth Proportional to 252,291.30, 378,008.72 and 152,241.28

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Solution

The fourth proportional to 252,291.30, 378,008.72 and 152,241.28 is: 228,103.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,291.30 : 378,008.72 = 152,241.28 : x
  2. Step 2: Convert to fraction form
    252,291.30/378,008.72 = 152,241.28/x
  3. Step 3: Cross multiply
    252,291.30x = 378,008.72 × 152,241.28
  4. Step 4: Simplify right side
    252,291.30x = 57,548,531,383.96
  5. Step 5: Solve for x
    x = 57,548,531,383.96/252,291.30
  6. Step 6: Final answer
    x = 228,103.51

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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.