Home / 645,796.28-968,169.53-225,367.40

Finding the Fourth Proportional to 645,796.28, 968,169.53 and 225,367.40

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Solution

The fourth proportional to 645,796.28, 968,169.53 and 225,367.40 is: 337,867.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,796.28 : 968,169.53 = 225,367.40 : x
  2. Step 2: Convert to fraction form
    645,796.28/968,169.53 = 225,367.40/x
  3. Step 3: Cross multiply
    645,796.28x = 968,169.53 × 225,367.40
  4. Step 4: Simplify right side
    645,796.28x = 218,193,845,457.89
  5. Step 5: Solve for x
    x = 218,193,845,457.89/645,796.28
  6. Step 6: Final answer
    x = 337,867.92

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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.