Home / 262,320.66-393,372.35-82,345.95

Finding the Fourth Proportional to 262,320.66, 393,372.35 and 82,345.95

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Solution

The fourth proportional to 262,320.66, 393,372.35 and 82,345.95 is: 123,484.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,320.66 : 393,372.35 = 82,345.95 : x
  2. Step 2: Convert to fraction form
    262,320.66/393,372.35 = 82,345.95/x
  3. Step 3: Cross multiply
    262,320.66x = 393,372.35 × 82,345.95
  4. Step 4: Simplify right side
    262,320.66x = 32,392,619,452.75
  5. Step 5: Solve for x
    x = 32,392,619,452.75/262,320.66
  6. Step 6: Final answer
    x = 123,484.82

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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.