Home / 338,821.72-508,236.53-102,166.45

Finding the Fourth Proportional to 338,821.72, 508,236.53 and 102,166.45

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Solution

The fourth proportional to 338,821.72, 508,236.53 and 102,166.45 is: 153,250.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,821.72 : 508,236.53 = 102,166.45 : x
  2. Step 2: Convert to fraction form
    338,821.72/508,236.53 = 102,166.45/x
  3. Step 3: Cross multiply
    338,821.72x = 508,236.53 × 102,166.45
  4. Step 4: Simplify right side
    338,821.72x = 51,924,720,248.99
  5. Step 5: Solve for x
    x = 51,924,720,248.99/338,821.72
  6. Step 6: Final answer
    x = 153,250.86

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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.