Home / 339,370.78-508,281.15-162,002.35

Finding the Fourth Proportional to 339,370.78, 508,281.15 and 162,002.35

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Solution

The fourth proportional to 339,370.78, 508,281.15 and 162,002.35 is: 242,633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,370.78 : 508,281.15 = 162,002.35 : x
  2. Step 2: Convert to fraction form
    339,370.78/508,281.15 = 162,002.35/x
  3. Step 3: Cross multiply
    339,370.78x = 508,281.15 × 162,002.35
  4. Step 4: Simplify right side
    339,370.78x = 82,342,737,409.29
  5. Step 5: Solve for x
    x = 82,342,737,409.29/339,370.78
  6. Step 6: Final answer
    x = 242,633.55

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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.