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Finding the Fourth Proportional to 325,303.18, 448,864.83 and 204,358.82

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Solution

The fourth proportional to 325,303.18, 448,864.83 and 204,358.82 is: 281,981.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,303.18 : 448,864.83 = 204,358.82 : x
  2. Step 2: Convert to fraction form
    325,303.18/448,864.83 = 204,358.82/x
  3. Step 3: Cross multiply
    325,303.18x = 448,864.83 × 204,358.82
  4. Step 4: Simplify right side
    325,303.18x = 91,729,484,753.98
  5. Step 5: Solve for x
    x = 91,729,484,753.98/325,303.18
  6. Step 6: Final answer
    x = 281,981.52

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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.