Home / 551,285.20-826,733.40-251,909.20

Finding the Fourth Proportional to 551,285.20, 826,733.40 and 251,909.20

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Solution

The fourth proportional to 551,285.20, 826,733.40 and 251,909.20 is: 377,774.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,285.20 : 826,733.40 = 251,909.20 : x
  2. Step 2: Convert to fraction form
    551,285.20/826,733.40 = 251,909.20/x
  3. Step 3: Cross multiply
    551,285.20x = 826,733.40 × 251,909.20
  4. Step 4: Simplify right side
    551,285.20x = 208,261,749,407.28
  5. Step 5: Solve for x
    x = 208,261,749,407.28/551,285.20
  6. Step 6: Final answer
    x = 377,774.97

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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.