Home / 338,854.45-508,285.32-102,199.18

Finding the Fourth Proportional to 338,854.45, 508,285.32 and 102,199.18

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Solution

The fourth proportional to 338,854.45, 508,285.32 and 102,199.18 is: 153,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,854.45 : 508,285.32 = 102,199.18 : x
  2. Step 2: Convert to fraction form
    338,854.45/508,285.32 = 102,199.18/x
  3. Step 3: Cross multiply
    338,854.45x = 508,285.32 × 102,199.18
  4. Step 4: Simplify right side
    338,854.45x = 51,946,344,436.25
  5. Step 5: Solve for x
    x = 51,946,344,436.25/338,854.45
  6. Step 6: Final answer
    x = 153,299.87

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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.