Home / 338,927.04-508,403.82-102,269.76

Finding the Fourth Proportional to 338,927.04, 508,403.82 and 102,269.76

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Solution

The fourth proportional to 338,927.04, 508,403.82 and 102,269.76 is: 153,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,927.04 : 508,403.82 = 102,269.76 : x
  2. Step 2: Convert to fraction form
    338,927.04/508,403.82 = 102,269.76/x
  3. Step 3: Cross multiply
    338,927.04x = 508,403.82 × 102,269.76
  4. Step 4: Simplify right side
    338,927.04x = 51,994,336,654.48
  5. Step 5: Solve for x
    x = 51,994,336,654.48/338,927.04
  6. Step 6: Final answer
    x = 153,408.64

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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.