Home / 202,621.20-303,931.80-54,877.20

Finding the Fourth Proportional to 202,621.20, 303,931.80 and 54,877.20

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Solution

The fourth proportional to 202,621.20, 303,931.80 and 54,877.20 is: 82,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,621.20 : 303,931.80 = 54,877.20 : x
  2. Step 2: Convert to fraction form
    202,621.20/303,931.80 = 54,877.20/x
  3. Step 3: Cross multiply
    202,621.20x = 303,931.80 × 54,877.20
  4. Step 4: Simplify right side
    202,621.20x = 16,678,926,174.96
  5. Step 5: Solve for x
    x = 16,678,926,174.96/202,621.20
  6. Step 6: Final answer
    x = 82,315.80

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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.