Home / 379,522.22-569,376.75-267,421.34

Finding the Fourth Proportional to 379,522.22, 569,376.75 and 267,421.34

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Solution

The fourth proportional to 379,522.22, 569,376.75 and 267,421.34 is: 401,197.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,522.22 : 569,376.75 = 267,421.34 : x
  2. Step 2: Convert to fraction form
    379,522.22/569,376.75 = 267,421.34/x
  3. Step 3: Cross multiply
    379,522.22x = 569,376.75 × 267,421.34
  4. Step 4: Simplify right side
    379,522.22x = 152,263,493,449.85
  5. Step 5: Solve for x
    x = 152,263,493,449.85/379,522.22
  6. Step 6: Final answer
    x = 401,197.84

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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.