Home / 276,828.98-382,023.86-149,504.58

Finding the Fourth Proportional to 276,828.98, 382,023.86 and 149,504.58

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Solution

The fourth proportional to 276,828.98, 382,023.86 and 149,504.58 is: 206,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,828.98 : 382,023.86 = 149,504.58 : x
  2. Step 2: Convert to fraction form
    276,828.98/382,023.86 = 149,504.58/x
  3. Step 3: Cross multiply
    276,828.98x = 382,023.86 × 149,504.58
  4. Step 4: Simplify right side
    276,828.98x = 57,114,315,991.76
  5. Step 5: Solve for x
    x = 57,114,315,991.76/276,828.98
  6. Step 6: Final answer
    x = 206,316.25

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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.