Home / 214,202.80-321,304.20-164,436.40

Finding the Fourth Proportional to 214,202.80, 321,304.20 and 164,436.40

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Solution

The fourth proportional to 214,202.80, 321,304.20 and 164,436.40 is: 246,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,202.80 : 321,304.20 = 164,436.40 : x
  2. Step 2: Convert to fraction form
    214,202.80/321,304.20 = 164,436.40/x
  3. Step 3: Cross multiply
    214,202.80x = 321,304.20 × 164,436.40
  4. Step 4: Simplify right side
    214,202.80x = 52,834,105,952.88
  5. Step 5: Solve for x
    x = 52,834,105,952.88/214,202.80
  6. Step 6: Final answer
    x = 246,654.60

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1.5x scale

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.