Home / 338,539.20-507,842.30-125,363.98

Finding the Fourth Proportional to 338,539.20, 507,842.30 and 125,363.98

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Solution

The fourth proportional to 338,539.20, 507,842.30 and 125,363.98 is: 188,058.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,539.20 : 507,842.30 = 125,363.98 : x
  2. Step 2: Convert to fraction form
    338,539.20/507,842.30 = 125,363.98/x
  3. Step 3: Cross multiply
    338,539.20x = 507,842.30 × 125,363.98
  4. Step 4: Simplify right side
    338,539.20x = 63,665,131,940.35
  5. Step 5: Solve for x
    x = 63,665,131,940.35/338,539.20
  6. Step 6: Final answer
    x = 188,058.38

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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.