Home / 343,011.30-514,517.19-143,222.82

Finding the Fourth Proportional to 343,011.30, 514,517.19 and 143,222.82

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Solution

The fourth proportional to 343,011.30, 514,517.19 and 143,222.82 is: 214,834.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,011.30 : 514,517.19 = 143,222.82 : x
  2. Step 2: Convert to fraction form
    343,011.30/514,517.19 = 143,222.82/x
  3. Step 3: Cross multiply
    343,011.30x = 514,517.19 × 143,222.82
  4. Step 4: Simplify right side
    343,011.30x = 73,690,602,890.28
  5. Step 5: Solve for x
    x = 73,690,602,890.28/343,011.30
  6. Step 6: Final answer
    x = 214,834.33

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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.