Home / 572,142.60-858,220.38-172,786.68

Finding the Fourth Proportional to 572,142.60, 858,220.38 and 172,786.68

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Solution

The fourth proportional to 572,142.60, 858,220.38 and 172,786.68 is: 259,181.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,142.60 : 858,220.38 = 172,786.68 : x
  2. Step 2: Convert to fraction form
    572,142.60/858,220.38 = 172,786.68/x
  3. Step 3: Cross multiply
    572,142.60x = 858,220.38 × 172,786.68
  4. Step 4: Simplify right side
    572,142.60x = 148,289,050,168.54
  5. Step 5: Solve for x
    x = 148,289,050,168.54/572,142.60
  6. Step 6: Final answer
    x = 259,181.98

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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.