Home / 214,928.70-322,737.30-170,921.40

Finding the Fourth Proportional to 214,928.70, 322,737.30 and 170,921.40

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Solution

The fourth proportional to 214,928.70, 322,737.30 and 170,921.40 is: 256,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,928.70 : 322,737.30 = 170,921.40 : x
  2. Step 2: Convert to fraction form
    214,928.70/322,737.30 = 170,921.40/x
  3. Step 3: Cross multiply
    214,928.70x = 322,737.30 × 170,921.40
  4. Step 4: Simplify right side
    214,928.70x = 55,162,711,148.22
  5. Step 5: Solve for x
    x = 55,162,711,148.22/214,928.70
  6. Step 6: Final answer
    x = 256,655.86

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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.