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Finding the Fourth Proportional to 322,300.64, 444,801.37 and 207,817.60

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Solution

The fourth proportional to 322,300.64, 444,801.37 and 207,817.60 is: 286,805.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,300.64 : 444,801.37 = 207,817.60 : x
  2. Step 2: Convert to fraction form
    322,300.64/444,801.37 = 207,817.60/x
  3. Step 3: Cross multiply
    322,300.64x = 444,801.37 × 207,817.60
  4. Step 4: Simplify right side
    322,300.64x = 92,437,551,886.28
  5. Step 5: Solve for x
    x = 92,437,551,886.28/322,300.64
  6. Step 6: Final answer
    x = 286,805.36

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1.5x scale

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.