Home / 254,391.32-351,087.87-145,505.66

Finding the Fourth Proportional to 254,391.32, 351,087.87 and 145,505.66

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Solution

The fourth proportional to 254,391.32, 351,087.87 and 145,505.66 is: 200,813.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,391.32 : 351,087.87 = 145,505.66 : x
  2. Step 2: Convert to fraction form
    254,391.32/351,087.87 = 145,505.66/x
  3. Step 3: Cross multiply
    254,391.32x = 351,087.87 × 145,505.66
  4. Step 4: Simplify right side
    254,391.32x = 51,085,270,486.90
  5. Step 5: Solve for x
    x = 51,085,270,486.90/254,391.32
  6. Step 6: Final answer
    x = 200,813.74

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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.