Home / 254,243.25-349,611.53-220,650.93

Finding the Fourth Proportional to 254,243.25, 349,611.53 and 220,650.93

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Solution

The fourth proportional to 254,243.25, 349,611.53 and 220,650.93 is: 303,418.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,243.25 : 349,611.53 = 220,650.93 : x
  2. Step 2: Convert to fraction form
    254,243.25/349,611.53 = 220,650.93/x
  3. Step 3: Cross multiply
    254,243.25x = 349,611.53 × 220,650.93
  4. Step 4: Simplify right side
    254,243.25x = 77,142,108,129.97
  5. Step 5: Solve for x
    x = 77,142,108,129.97/254,243.25
  6. Step 6: Final answer
    x = 303,418.51

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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.