Home / 645,873.96-968,816.34-225,149.16

Finding the Fourth Proportional to 645,873.96, 968,816.34 and 225,149.16

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Solution

The fourth proportional to 645,873.96, 968,816.34 and 225,149.16 is: 337,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,873.96 : 968,816.34 = 225,149.16 : x
  2. Step 2: Convert to fraction form
    645,873.96/968,816.34 = 225,149.16/x
  3. Step 3: Cross multiply
    645,873.96x = 968,816.34 × 225,149.16
  4. Step 4: Simplify right side
    645,873.96x = 218,128,185,145.27
  5. Step 5: Solve for x
    x = 218,128,185,145.27/645,873.96
  6. Step 6: Final answer
    x = 337,725.62

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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.