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Finding the Fourth Proportional to 544,015.80, 815,732.10 and 228,115.80

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Solution

The fourth proportional to 544,015.80, 815,732.10 and 228,115.80 is: 342,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,015.80 : 815,732.10 = 228,115.80 : x
  2. Step 2: Convert to fraction form
    544,015.80/815,732.10 = 228,115.80/x
  3. Step 3: Cross multiply
    544,015.80x = 815,732.10 × 228,115.80
  4. Step 4: Simplify right side
    544,015.80x = 186,081,380,577.18
  5. Step 5: Solve for x
    x = 186,081,380,577.18/544,015.80
  6. Step 6: Final answer
    x = 342,051.43

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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.