Home / 309,091.10-463,291.05-131,567.90

Finding the Fourth Proportional to 309,091.10, 463,291.05 and 131,567.90

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Solution

The fourth proportional to 309,091.10, 463,291.05 and 131,567.90 is: 197,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,091.10 : 463,291.05 = 131,567.90 : x
  2. Step 2: Convert to fraction form
    309,091.10/463,291.05 = 131,567.90/x
  3. Step 3: Cross multiply
    309,091.10x = 463,291.05 × 131,567.90
  4. Step 4: Simplify right side
    309,091.10x = 60,954,230,537.30
  5. Step 5: Solve for x
    x = 60,954,230,537.30/309,091.10
  6. Step 6: Final answer
    x = 197,204.74

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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.