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Finding the Fourth Proportional to 203,150.52, 280,486.26 and 126,699.48

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Solution

The fourth proportional to 203,150.52, 280,486.26 and 126,699.48 is: 174,931.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,150.52 : 280,486.26 = 126,699.48 : x
  2. Step 2: Convert to fraction form
    203,150.52/280,486.26 = 126,699.48/x
  3. Step 3: Cross multiply
    203,150.52x = 280,486.26 × 126,699.48
  4. Step 4: Simplify right side
    203,150.52x = 35,537,463,289.14
  5. Step 5: Solve for x
    x = 35,537,463,289.14/203,150.52
  6. Step 6: Final answer
    x = 174,931.69

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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.