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Finding the Fourth Proportional to 203,062.50, 280,187.37 and 131,432.58

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Solution

The fourth proportional to 203,062.50, 280,187.37 and 131,432.58 is: 181,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,062.50 : 280,187.37 = 131,432.58 : x
  2. Step 2: Convert to fraction form
    203,062.50/280,187.37 = 131,432.58/x
  3. Step 3: Cross multiply
    203,062.50x = 280,187.37 × 131,432.58
  4. Step 4: Simplify right side
    203,062.50x = 36,825,748,922.51
  5. Step 5: Solve for x
    x = 36,825,748,922.51/203,062.50
  6. Step 6: Final answer
    x = 181,351.80

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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.