Home / 251,619.60-377,866.80-133,521.60

Finding the Fourth Proportional to 251,619.60, 377,866.80 and 133,521.60

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Solution

The fourth proportional to 251,619.60, 377,866.80 and 133,521.60 is: 200,514.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,619.60 : 377,866.80 = 133,521.60 : x
  2. Step 2: Convert to fraction form
    251,619.60/377,866.80 = 133,521.60/x
  3. Step 3: Cross multiply
    251,619.60x = 377,866.80 × 133,521.60
  4. Step 4: Simplify right side
    251,619.60x = 50,453,379,722.88
  5. Step 5: Solve for x
    x = 50,453,379,722.88/251,619.60
  6. Step 6: Final answer
    x = 200,514.51

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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.