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Finding the Fourth Proportional to 308,874.32, 463,346.04 and 98,463.44

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Solution

The fourth proportional to 308,874.32, 463,346.04 and 98,463.44 is: 147,706.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,874.32 : 463,346.04 = 98,463.44 : x
  2. Step 2: Convert to fraction form
    308,874.32/463,346.04 = 98,463.44/x
  3. Step 3: Cross multiply
    308,874.32x = 463,346.04 × 98,463.44
  4. Step 4: Simplify right side
    308,874.32x = 45,622,645,008.78
  5. Step 5: Solve for x
    x = 45,622,645,008.78/308,874.32
  6. Step 6: Final answer
    x = 147,706.18

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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.