Home / 338,980.12-508,473.78-102,324.76

Finding the Fourth Proportional to 338,980.12, 508,473.78 and 102,324.76

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Solution

The fourth proportional to 338,980.12, 508,473.78 and 102,324.76 is: 153,488.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,980.12 : 508,473.78 = 102,324.76 : x
  2. Step 2: Convert to fraction form
    338,980.12/508,473.78 = 102,324.76/x
  3. Step 3: Cross multiply
    338,980.12x = 508,473.78 × 102,324.76
  4. Step 4: Simplify right side
    338,980.12x = 52,029,457,504.79
  5. Step 5: Solve for x
    x = 52,029,457,504.79/338,980.12
  6. Step 6: Final answer
    x = 153,488.23

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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.