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Finding the Fourth Proportional to 223,433.94, 308,320.50 and 131,538.63

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Solution

The fourth proportional to 223,433.94, 308,320.50 and 131,538.63 is: 181,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,433.94 : 308,320.50 = 131,538.63 : x
  2. Step 2: Convert to fraction form
    223,433.94/308,320.50 = 131,538.63/x
  3. Step 3: Cross multiply
    223,433.94x = 308,320.50 × 131,538.63
  4. Step 4: Simplify right side
    223,433.94x = 40,556,056,170.92
  5. Step 5: Solve for x
    x = 40,556,056,170.92/223,433.94
  6. Step 6: Final answer
    x = 181,512.51

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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.