Home / 454,945.11-682,393.02-139,402.94

Finding the Fourth Proportional to 454,945.11, 682,393.02 and 139,402.94

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Solution

The fourth proportional to 454,945.11, 682,393.02 and 139,402.94 is: 209,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,945.11 : 682,393.02 = 139,402.94 : x
  2. Step 2: Convert to fraction form
    454,945.11/682,393.02 = 139,402.94/x
  3. Step 3: Cross multiply
    454,945.11x = 682,393.02 × 139,402.94
  4. Step 4: Simplify right side
    454,945.11x = 95,127,589,811.51
  5. Step 5: Solve for x
    x = 95,127,589,811.51/454,945.11
  6. Step 6: Final answer
    x = 209,096.85

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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.