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Finding the Fourth Proportional to 450,102.33, 621,367.08 and 347,896.82

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Solution

The fourth proportional to 450,102.33, 621,367.08 and 347,896.82 is: 480,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,102.33 : 621,367.08 = 347,896.82 : x
  2. Step 2: Convert to fraction form
    450,102.33/621,367.08 = 347,896.82/x
  3. Step 3: Cross multiply
    450,102.33x = 621,367.08 × 347,896.82
  4. Step 4: Simplify right side
    450,102.33x = 216,171,628,724.48
  5. Step 5: Solve for x
    x = 216,171,628,724.48/450,102.33
  6. Step 6: Final answer
    x = 480,272.18

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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.