Home / 338,930.29-467,298.23-248,128.62

Finding the Fourth Proportional to 338,930.29, 467,298.23 and 248,128.62

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Solution

The fourth proportional to 338,930.29, 467,298.23 and 248,128.62 is: 342,105.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,930.29 : 467,298.23 = 248,128.62 : x
  2. Step 2: Convert to fraction form
    338,930.29/467,298.23 = 248,128.62/x
  3. Step 3: Cross multiply
    338,930.29x = 467,298.23 × 248,128.62
  4. Step 4: Simplify right side
    338,930.29x = 115,950,064,938.34
  5. Step 5: Solve for x
    x = 115,950,064,938.34/338,930.29
  6. Step 6: Final answer
    x = 342,105.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.