Home / 572,216.23-858,145.74-198,151.75

Finding the Fourth Proportional to 572,216.23, 858,145.74 and 198,151.75

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Solution

The fourth proportional to 572,216.23, 858,145.74 and 198,151.75 is: 297,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,216.23 : 858,145.74 = 198,151.75 : x
  2. Step 2: Convert to fraction form
    572,216.23/858,145.74 = 198,151.75/x
  3. Step 3: Cross multiply
    572,216.23x = 858,145.74 × 198,151.75
  4. Step 4: Simplify right side
    572,216.23x = 170,043,080,136.05
  5. Step 5: Solve for x
    x = 170,043,080,136.05/572,216.23
  6. Step 6: Final answer
    x = 297,165.78

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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.