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Finding the Fourth Proportional to 300,792.87, 451,289.81 and 98,398.17

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Solution

The fourth proportional to 300,792.87, 451,289.81 and 98,398.17 is: 147,630.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,792.87 : 451,289.81 = 98,398.17 : x
  2. Step 2: Convert to fraction form
    300,792.87/451,289.81 = 98,398.17/x
  3. Step 3: Cross multiply
    300,792.87x = 451,289.81 × 98,398.17
  4. Step 4: Simplify right side
    300,792.87x = 44,406,091,689.64
  5. Step 5: Solve for x
    x = 44,406,091,689.64/300,792.87
  6. Step 6: Final answer
    x = 147,630.13

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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.