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Finding the Fourth Proportional to 322,309.14, 483,327.02 and 153,634.34

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Solution

The fourth proportional to 322,309.14, 483,327.02 and 153,634.34 is: 230,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,309.14 : 483,327.02 = 153,634.34 : x
  2. Step 2: Convert to fraction form
    322,309.14/483,327.02 = 153,634.34/x
  3. Step 3: Cross multiply
    322,309.14x = 483,327.02 × 153,634.34
  4. Step 4: Simplify right side
    322,309.14x = 74,255,624,537.06
  5. Step 5: Solve for x
    x = 74,255,624,537.06/322,309.14
  6. Step 6: Final answer
    x = 230,386.34

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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.