Home / 339,516.28-468,561.54-188,623

Finding the Fourth Proportional to 339,516.28, 468,561.54 and 188,623

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Solution

The fourth proportional to 339,516.28, 468,561.54 and 188,623 is: 260,315.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,516.28 : 468,561.54 = 188,623 : x
  2. Step 2: Convert to fraction form
    339,516.28/468,561.54 = 188,623/x
  3. Step 3: Cross multiply
    339,516.28x = 468,561.54 × 188,623
  4. Step 4: Simplify right side
    339,516.28x = 88,381,483,359.42
  5. Step 5: Solve for x
    x = 88,381,483,359.42/339,516.28
  6. Step 6: Final answer
    x = 260,315.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.