Home / 216,255.06-324,174.24-145,197.14

Finding the Fourth Proportional to 216,255.06, 324,174.24 and 145,197.14

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Solution

The fourth proportional to 216,255.06, 324,174.24 and 145,197.14 is: 217,655.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,255.06 : 324,174.24 = 145,197.14 : x
  2. Step 2: Convert to fraction form
    216,255.06/324,174.24 = 145,197.14/x
  3. Step 3: Cross multiply
    216,255.06x = 324,174.24 × 145,197.14
  4. Step 4: Simplify right side
    216,255.06x = 47,069,170,888.80
  5. Step 5: Solve for x
    x = 47,069,170,888.80/216,255.06
  6. Step 6: Final answer
    x = 217,655.81

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1.5x scale

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.