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Finding the Fourth Proportional to 451,300.84, 622,795.08 and 247,358.32

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Solution

The fourth proportional to 451,300.84, 622,795.08 and 247,358.32 is: 341,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,300.84 : 622,795.08 = 247,358.32 : x
  2. Step 2: Convert to fraction form
    451,300.84/622,795.08 = 247,358.32/x
  3. Step 3: Cross multiply
    451,300.84x = 622,795.08 × 247,358.32
  4. Step 4: Simplify right side
    451,300.84x = 154,053,544,693.07
  5. Step 5: Solve for x
    x = 154,053,544,693.07/451,300.84
  6. Step 6: Final answer
    x = 341,354.44

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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.