Home / 382,022.22-572,835.57-171,478.86

Finding the Fourth Proportional to 382,022.22, 572,835.57 and 171,478.86

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Solution

The fourth proportional to 382,022.22, 572,835.57 and 171,478.86 is: 257,129.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,022.22 : 572,835.57 = 171,478.86 : x
  2. Step 2: Convert to fraction form
    382,022.22/572,835.57 = 171,478.86/x
  3. Step 3: Cross multiply
    382,022.22x = 572,835.57 × 171,478.86
  4. Step 4: Simplify right side
    382,022.22x = 98,229,190,511.05
  5. Step 5: Solve for x
    x = 98,229,190,511.05/382,022.22
  6. Step 6: Final answer
    x = 257,129.52

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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.