Home / 309,007.65-463,331.03-131,423.25

Finding the Fourth Proportional to 309,007.65, 463,331.03 and 131,423.25

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Solution

The fourth proportional to 309,007.65, 463,331.03 and 131,423.25 is: 197,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,007.65 : 463,331.03 = 131,423.25 : x
  2. Step 2: Convert to fraction form
    309,007.65/463,331.03 = 131,423.25/x
  3. Step 3: Cross multiply
    309,007.65x = 463,331.03 × 131,423.25
  4. Step 4: Simplify right side
    309,007.65x = 60,892,469,131.33
  5. Step 5: Solve for x
    x = 60,892,469,131.33/309,007.65
  6. Step 6: Final answer
    x = 197,058.13

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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.