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Finding the Fourth Proportional to 253,922.64, 350,435.88 and 163,494.64

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Solution

The fourth proportional to 253,922.64, 350,435.88 and 163,494.64 is: 225,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,922.64 : 350,435.88 = 163,494.64 : x
  2. Step 2: Convert to fraction form
    253,922.64/350,435.88 = 163,494.64/x
  3. Step 3: Cross multiply
    253,922.64x = 350,435.88 × 163,494.64
  4. Step 4: Simplify right side
    253,922.64x = 57,294,388,043.68
  5. Step 5: Solve for x
    x = 57,294,388,043.68/253,922.64
  6. Step 6: Final answer
    x = 225,637.18

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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.