Home / 343,022.55-514,440.87-143,301.15

Finding the Fourth Proportional to 343,022.55, 514,440.87 and 143,301.15

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Solution

The fourth proportional to 343,022.55, 514,440.87 and 143,301.15 is: 214,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,022.55 : 514,440.87 = 143,301.15 : x
  2. Step 2: Convert to fraction form
    343,022.55/514,440.87 = 143,301.15/x
  3. Step 3: Cross multiply
    343,022.55x = 514,440.87 × 143,301.15
  4. Step 4: Simplify right side
    343,022.55x = 73,719,968,546.69
  5. Step 5: Solve for x
    x = 73,719,968,546.69/343,022.55
  6. Step 6: Final answer
    x = 214,912.90

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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.