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Finding the Fourth Proportional to 223,015.68, 307,710.90 and 132,324.84

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Solution

The fourth proportional to 223,015.68, 307,710.90 and 132,324.84 is: 182,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,015.68 : 307,710.90 = 132,324.84 : x
  2. Step 2: Convert to fraction form
    223,015.68/307,710.90 = 132,324.84/x
  3. Step 3: Cross multiply
    223,015.68x = 307,710.90 × 132,324.84
  4. Step 4: Simplify right side
    223,015.68x = 40,717,795,608.76
  5. Step 5: Solve for x
    x = 40,717,795,608.76/223,015.68
  6. Step 6: Final answer
    x = 182,578.17

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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.