Home / 240,033.72-331,232.76-143,346.60

Finding the Fourth Proportional to 240,033.72, 331,232.76 and 143,346.60

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Solution

The fourth proportional to 240,033.72, 331,232.76 and 143,346.60 is: 197,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,033.72 : 331,232.76 = 143,346.60 : x
  2. Step 2: Convert to fraction form
    240,033.72/331,232.76 = 143,346.60/x
  3. Step 3: Cross multiply
    240,033.72x = 331,232.76 × 143,346.60
  4. Step 4: Simplify right side
    240,033.72x = 47,481,089,954.62
  5. Step 5: Solve for x
    x = 47,481,089,954.62/240,033.72
  6. Step 6: Final answer
    x = 197,810.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.