Home / 309,217.64-464,001.42-131,706.14

Finding the Fourth Proportional to 309,217.64, 464,001.42 and 131,706.14

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Solution

The fourth proportional to 309,217.64, 464,001.42 and 131,706.14 is: 197,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,217.64 : 464,001.42 = 131,706.14 : x
  2. Step 2: Convert to fraction form
    309,217.64/464,001.42 = 131,706.14/x
  3. Step 3: Cross multiply
    309,217.64x = 464,001.42 × 131,706.14
  4. Step 4: Simplify right side
    309,217.64x = 61,111,835,982.72
  5. Step 5: Solve for x
    x = 61,111,835,982.72/309,217.64
  6. Step 6: Final answer
    x = 197,633.73

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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.