Home / 494,671.86-741,923.96-139,602.69

Finding the Fourth Proportional to 494,671.86, 741,923.96 and 139,602.69

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Solution

The fourth proportional to 494,671.86, 741,923.96 and 139,602.69 is: 209,380.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,671.86 : 741,923.96 = 139,602.69 : x
  2. Step 2: Convert to fraction form
    494,671.86/741,923.96 = 139,602.69/x
  3. Step 3: Cross multiply
    494,671.86x = 741,923.96 × 139,602.69
  4. Step 4: Simplify right side
    494,671.86x = 103,574,579,893.44
  5. Step 5: Solve for x
    x = 103,574,579,893.44/494,671.86
  6. Step 6: Final answer
    x = 209,380.38

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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.