Home / 254,704.88-351,485.30-145,805.60

Finding the Fourth Proportional to 254,704.88, 351,485.30 and 145,805.60

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Solution

The fourth proportional to 254,704.88, 351,485.30 and 145,805.60 is: 201,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,704.88 : 351,485.30 = 145,805.60 : x
  2. Step 2: Convert to fraction form
    254,704.88/351,485.30 = 145,805.60/x
  3. Step 3: Cross multiply
    254,704.88x = 351,485.30 × 145,805.60
  4. Step 4: Simplify right side
    254,704.88x = 51,248,522,571.23
  5. Step 5: Solve for x
    x = 51,248,522,571.23/254,704.88
  6. Step 6: Final answer
    x = 201,207.47

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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.