Home / 199,621.04-297,903.83-178,321.90

Finding the Fourth Proportional to 199,621.04, 297,903.83 and 178,321.90

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Solution

The fourth proportional to 199,621.04, 297,903.83 and 178,321.90 is: 266,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,621.04 : 297,903.83 = 178,321.90 : x
  2. Step 2: Convert to fraction form
    199,621.04/297,903.83 = 178,321.90/x
  3. Step 3: Cross multiply
    199,621.04x = 297,903.83 × 178,321.90
  4. Step 4: Simplify right side
    199,621.04x = 53,122,776,982.88
  5. Step 5: Solve for x
    x = 53,122,776,982.88/199,621.04
  6. Step 6: Final answer
    x = 266,118.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.