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Finding the Fourth Proportional to 203,608.02, 280,992.36 and 117,570.63

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Solution

The fourth proportional to 203,608.02, 280,992.36 and 117,570.63 is: 162,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,608.02 : 280,992.36 = 117,570.63 : x
  2. Step 2: Convert to fraction form
    203,608.02/280,992.36 = 117,570.63/x
  3. Step 3: Cross multiply
    203,608.02x = 280,992.36 × 117,570.63
  4. Step 4: Simplify right side
    203,608.02x = 33,036,448,790.39
  5. Step 5: Solve for x
    x = 33,036,448,790.39/203,608.02
  6. Step 6: Final answer
    x = 162,255.14

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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.