Home / 205,026.20-307,539.30-171,848.60

Finding the Fourth Proportional to 205,026.20, 307,539.30 and 171,848.60

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Solution

The fourth proportional to 205,026.20, 307,539.30 and 171,848.60 is: 257,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,026.20 : 307,539.30 = 171,848.60 : x
  2. Step 2: Convert to fraction form
    205,026.20/307,539.30 = 171,848.60/x
  3. Step 3: Cross multiply
    205,026.20x = 307,539.30 × 171,848.60
  4. Step 4: Simplify right side
    205,026.20x = 52,850,198,149.98
  5. Step 5: Solve for x
    x = 52,850,198,149.98/205,026.20
  6. Step 6: Final answer
    x = 257,772.90

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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.