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Finding the Fourth Proportional to 312,444.22, 431,170.77 and 169,200.94

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Solution

The fourth proportional to 312,444.22, 431,170.77 and 169,200.94 is: 233,496.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,444.22 : 431,170.77 = 169,200.94 : x
  2. Step 2: Convert to fraction form
    312,444.22/431,170.77 = 169,200.94/x
  3. Step 3: Cross multiply
    312,444.22x = 431,170.77 × 169,200.94
  4. Step 4: Simplify right side
    312,444.22x = 72,954,499,584.52
  5. Step 5: Solve for x
    x = 72,954,499,584.52/312,444.22
  6. Step 6: Final answer
    x = 233,496.08

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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.