Home / 338,764.80-507,823.20-125,475.60

Finding the Fourth Proportional to 338,764.80, 507,823.20 and 125,475.60

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Solution

The fourth proportional to 338,764.80, 507,823.20 and 125,475.60 is: 188,093.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,764.80 : 507,823.20 = 125,475.60 : x
  2. Step 2: Convert to fraction form
    338,764.80/507,823.20 = 125,475.60/x
  3. Step 3: Cross multiply
    338,764.80x = 507,823.20 × 125,475.60
  4. Step 4: Simplify right side
    338,764.80x = 63,719,420,713.92
  5. Step 5: Solve for x
    x = 63,719,420,713.92/338,764.80
  6. Step 6: Final answer
    x = 188,093.39

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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.