Home / 645,360.90-968,040.75-196,079.94

Finding the Fourth Proportional to 645,360.90, 968,040.75 and 196,079.94

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Solution

The fourth proportional to 645,360.90, 968,040.75 and 196,079.94 is: 294,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,360.90 : 968,040.75 = 196,079.94 : x
  2. Step 2: Convert to fraction form
    645,360.90/968,040.75 = 196,079.94/x
  3. Step 3: Cross multiply
    645,360.90x = 968,040.75 × 196,079.94
  4. Step 4: Simplify right side
    645,360.90x = 189,813,372,177.56
  5. Step 5: Solve for x
    x = 189,813,372,177.56/645,360.90
  6. Step 6: Final answer
    x = 294,119.73

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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.