Home / 338,894.03-508,344.70-102,238.76

Finding the Fourth Proportional to 338,894.03, 508,344.70 and 102,238.76

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Solution

The fourth proportional to 338,894.03, 508,344.70 and 102,238.76 is: 153,359.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,894.03 : 508,344.70 = 102,238.76 : x
  2. Step 2: Convert to fraction form
    338,894.03/508,344.70 = 102,238.76/x
  3. Step 3: Cross multiply
    338,894.03x = 508,344.70 × 102,238.76
  4. Step 4: Simplify right side
    338,894.03x = 51,972,531,269.38
  5. Step 5: Solve for x
    x = 51,972,531,269.38/338,894.03
  6. Step 6: Final answer
    x = 153,359.24

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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.