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Finding the Fourth Proportional to 253,759.32, 350,019.81 and 163,230.30

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Solution

The fourth proportional to 253,759.32, 350,019.81 and 163,230.30 is: 225,149.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,759.32 : 350,019.81 = 163,230.30 : x
  2. Step 2: Convert to fraction form
    253,759.32/350,019.81 = 163,230.30/x
  3. Step 3: Cross multiply
    253,759.32x = 350,019.81 × 163,230.30
  4. Step 4: Simplify right side
    253,759.32x = 57,133,838,592.24
  5. Step 5: Solve for x
    x = 57,133,838,592.24/253,759.32
  6. Step 6: Final answer
    x = 225,149.72

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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.