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Finding the Fourth Proportional to 551,744.79, 827,600.77 and 152,409.52

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Solution

The fourth proportional to 551,744.79, 827,600.77 and 152,409.52 is: 228,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,744.79 : 827,600.77 = 152,409.52 : x
  2. Step 2: Convert to fraction form
    551,744.79/827,600.77 = 152,409.52/x
  3. Step 3: Cross multiply
    551,744.79x = 827,600.77 × 152,409.52
  4. Step 4: Simplify right side
    551,744.79x = 126,134,236,107.33
  5. Step 5: Solve for x
    x = 126,134,236,107.33/551,744.79
  6. Step 6: Final answer
    x = 228,609.75

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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.