Home / 308,278.03-462,406.63-108,593.21

Finding the Fourth Proportional to 308,278.03, 462,406.63 and 108,593.21

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Solution

The fourth proportional to 308,278.03, 462,406.63 and 108,593.21 is: 162,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,278.03 : 462,406.63 = 108,593.21 : x
  2. Step 2: Convert to fraction form
    308,278.03/462,406.63 = 108,593.21/x
  3. Step 3: Cross multiply
    308,278.03x = 462,406.63 × 108,593.21
  4. Step 4: Simplify right side
    308,278.03x = 50,214,220,276.98
  5. Step 5: Solve for x
    x = 50,214,220,276.98/308,278.03
  6. Step 6: Final answer
    x = 162,886.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.