Home / 248,974.40-373,051.20-143,609.60

Finding the Fourth Proportional to 248,974.40, 373,051.20 and 143,609.60

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Solution

The fourth proportional to 248,974.40, 373,051.20 and 143,609.60 is: 215,177.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,974.40 : 373,051.20 = 143,609.60 : x
  2. Step 2: Convert to fraction form
    248,974.40/373,051.20 = 143,609.60/x
  3. Step 3: Cross multiply
    248,974.40x = 373,051.20 × 143,609.60
  4. Step 4: Simplify right side
    248,974.40x = 53,573,733,611.52
  5. Step 5: Solve for x
    x = 53,573,733,611.52/248,974.40
  6. Step 6: Final answer
    x = 215,177.68

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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.