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Finding the Fourth Proportional to 256,480.52, 353,912.58 and 141,752.12

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Solution

The fourth proportional to 256,480.52, 353,912.58 and 141,752.12 is: 195,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,480.52 : 353,912.58 = 141,752.12 : x
  2. Step 2: Convert to fraction form
    256,480.52/353,912.58 = 141,752.12/x
  3. Step 3: Cross multiply
    256,480.52x = 353,912.58 × 141,752.12
  4. Step 4: Simplify right side
    256,480.52x = 50,167,858,509.67
  5. Step 5: Solve for x
    x = 50,167,858,509.67/256,480.52
  6. Step 6: Final answer
    x = 195,601.05

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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.