Home / 256,004.22-353,285.91-142,824.54

Finding the Fourth Proportional to 256,004.22, 353,285.91 and 142,824.54

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Solution

The fourth proportional to 256,004.22, 353,285.91 and 142,824.54 is: 197,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,004.22 : 353,285.91 = 142,824.54 : x
  2. Step 2: Convert to fraction form
    256,004.22/353,285.91 = 142,824.54/x
  3. Step 3: Cross multiply
    256,004.22x = 353,285.91 × 142,824.54
  4. Step 4: Simplify right side
    256,004.22x = 50,457,897,584.23
  5. Step 5: Solve for x
    x = 50,457,897,584.23/256,004.22
  6. Step 6: Final answer
    x = 197,097.91

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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.