Home / 338,870.48-467,634.12-187,966.16

Finding the Fourth Proportional to 338,870.48, 467,634.12 and 187,966.16

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Solution

The fourth proportional to 338,870.48, 467,634.12 and 187,966.16 is: 259,389.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,870.48 : 467,634.12 = 187,966.16 : x
  2. Step 2: Convert to fraction form
    338,870.48/467,634.12 = 187,966.16/x
  3. Step 3: Cross multiply
    338,870.48x = 467,634.12 × 187,966.16
  4. Step 4: Simplify right side
    338,870.48x = 87,899,389,821.38
  5. Step 5: Solve for x
    x = 87,899,389,821.38/338,870.48
  6. Step 6: Final answer
    x = 259,389.34

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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.