Home / 262,426.98-393,637.86-120,231.90

Finding the Fourth Proportional to 262,426.98, 393,637.86 and 120,231.90

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Solution

The fourth proportional to 262,426.98, 393,637.86 and 120,231.90 is: 180,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,426.98 : 393,637.86 = 120,231.90 : x
  2. Step 2: Convert to fraction form
    262,426.98/393,637.86 = 120,231.90/x
  3. Step 3: Cross multiply
    262,426.98x = 393,637.86 × 120,231.90
  4. Step 4: Simplify right side
    262,426.98x = 47,327,827,819.73
  5. Step 5: Solve for x
    x = 47,327,827,819.73/262,426.98
  6. Step 6: Final answer
    x = 180,346.65

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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.