Home / 572,189.85-858,439.62-172,843.65

Finding the Fourth Proportional to 572,189.85, 858,439.62 and 172,843.65

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Solution

The fourth proportional to 572,189.85, 858,439.62 and 172,843.65 is: 259,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,189.85 : 858,439.62 = 172,843.65 : x
  2. Step 2: Convert to fraction form
    572,189.85/858,439.62 = 172,843.65/x
  3. Step 3: Cross multiply
    572,189.85x = 858,439.62 × 172,843.65
  4. Step 4: Simplify right side
    572,189.85x = 148,375,837,225.41
  5. Step 5: Solve for x
    x = 148,375,837,225.41/572,189.85
  6. Step 6: Final answer
    x = 259,312.25

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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.