Home / 238,864.21-329,522.38-154,008.61

Finding the Fourth Proportional to 238,864.21, 329,522.38 and 154,008.61

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Solution

The fourth proportional to 238,864.21, 329,522.38 and 154,008.61 is: 212,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,864.21 : 329,522.38 = 154,008.61 : x
  2. Step 2: Convert to fraction form
    238,864.21/329,522.38 = 154,008.61/x
  3. Step 3: Cross multiply
    238,864.21x = 329,522.38 × 154,008.61
  4. Step 4: Simplify right side
    238,864.21x = 50,749,283,707.69
  5. Step 5: Solve for x
    x = 50,749,283,707.69/238,864.21
  6. Step 6: Final answer
    x = 212,460.81

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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.