Home / 248,769.40-372,743.70-143,404.60

Finding the Fourth Proportional to 248,769.40, 372,743.70 and 143,404.60

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Solution

The fourth proportional to 248,769.40, 372,743.70 and 143,404.60 is: 214,870.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,769.40 : 372,743.70 = 143,404.60 : x
  2. Step 2: Convert to fraction form
    248,769.40/372,743.70 = 143,404.60/x
  3. Step 3: Cross multiply
    248,769.40x = 372,743.70 × 143,404.60
  4. Step 4: Simplify right side
    248,769.40x = 53,453,161,201.02
  5. Step 5: Solve for x
    x = 53,453,161,201.02/248,769.40
  6. Step 6: Final answer
    x = 214,870.32

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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.