Home / 261,244.06-391,977.03-142,777

Finding the Fourth Proportional to 261,244.06, 391,977.03 and 142,777

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Solution

The fourth proportional to 261,244.06, 391,977.03 and 142,777 is: 214,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,244.06 : 391,977.03 = 142,777 : x
  2. Step 2: Convert to fraction form
    261,244.06/391,977.03 = 142,777/x
  3. Step 3: Cross multiply
    261,244.06x = 391,977.03 × 142,777
  4. Step 4: Simplify right side
    261,244.06x = 55,965,304,412.31
  5. Step 5: Solve for x
    x = 55,965,304,412.31/261,244.06
  6. Step 6: Final answer
    x = 214,226.13

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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.