Home / 339,045.86-508,733.94-139,426.22

Finding the Fourth Proportional to 339,045.86, 508,733.94 and 139,426.22

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Solution

The fourth proportional to 339,045.86, 508,733.94 and 139,426.22 is: 209,207.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,045.86 : 508,733.94 = 139,426.22 : x
  2. Step 2: Convert to fraction form
    339,045.86/508,733.94 = 139,426.22/x
  3. Step 3: Cross multiply
    339,045.86x = 508,733.94 × 139,426.22
  4. Step 4: Simplify right side
    339,045.86x = 70,930,850,239.91
  5. Step 5: Solve for x
    x = 70,930,850,239.91/339,045.86
  6. Step 6: Final answer
    x = 209,207.24

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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.