Home / 240,586.37-331,986.69-143,771.01

Finding the Fourth Proportional to 240,586.37, 331,986.69 and 143,771.01

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Solution

The fourth proportional to 240,586.37, 331,986.69 and 143,771.01 is: 198,390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,586.37 : 331,986.69 = 143,771.01 : x
  2. Step 2: Convert to fraction form
    240,586.37/331,986.69 = 143,771.01/x
  3. Step 3: Cross multiply
    240,586.37x = 331,986.69 × 143,771.01
  4. Step 4: Simplify right side
    240,586.37x = 47,730,062,474.39
  5. Step 5: Solve for x
    x = 47,730,062,474.39/240,586.37
  6. Step 6: Final answer
    x = 198,390.55

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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.