Home / 429,034.14-643,553.37-176,452.38

Finding the Fourth Proportional to 429,034.14, 643,553.37 and 176,452.38

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Solution

The fourth proportional to 429,034.14, 643,553.37 and 176,452.38 is: 264,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,034.14 : 643,553.37 = 176,452.38 : x
  2. Step 2: Convert to fraction form
    429,034.14/643,553.37 = 176,452.38/x
  3. Step 3: Cross multiply
    429,034.14x = 643,553.37 × 176,452.38
  4. Step 4: Simplify right side
    429,034.14x = 113,556,523,793.52
  5. Step 5: Solve for x
    x = 113,556,523,793.52/429,034.14
  6. Step 6: Final answer
    x = 264,679.46

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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.