Home / 262,320.15-393,371.60-82,345.44

Finding the Fourth Proportional to 262,320.15, 393,371.60 and 82,345.44

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Solution

The fourth proportional to 262,320.15, 393,371.60 and 82,345.44 is: 123,484.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,320.15 : 393,371.60 = 82,345.44 : x
  2. Step 2: Convert to fraction form
    262,320.15/393,371.60 = 82,345.44/x
  3. Step 3: Cross multiply
    262,320.15x = 393,371.60 × 82,345.44
  4. Step 4: Simplify right side
    262,320.15x = 32,392,357,485.50
  5. Step 5: Solve for x
    x = 32,392,357,485.50/262,320.15
  6. Step 6: Final answer
    x = 123,484.06

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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.