Home / 206,211.22-309,316.93-56,452.75

Finding the Fourth Proportional to 206,211.22, 309,316.93 and 56,452.75

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Solution

The fourth proportional to 206,211.22, 309,316.93 and 56,452.75 is: 84,679.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,211.22 : 309,316.93 = 56,452.75 : x
  2. Step 2: Convert to fraction form
    206,211.22/309,316.93 = 56,452.75/x
  3. Step 3: Cross multiply
    206,211.22x = 309,316.93 × 56,452.75
  4. Step 4: Simplify right side
    206,211.22x = 17,461,790,405.63
  5. Step 5: Solve for x
    x = 17,461,790,405.63/206,211.22
  6. Step 6: Final answer
    x = 84,679.15

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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.