Home / 276,821.88-382,014.16-149,497.45

Finding the Fourth Proportional to 276,821.88, 382,014.16 and 149,497.45

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Solution

The fourth proportional to 276,821.88, 382,014.16 and 149,497.45 is: 206,306.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,821.88 : 382,014.16 = 149,497.45 : x
  2. Step 2: Convert to fraction form
    276,821.88/382,014.16 = 149,497.45/x
  3. Step 3: Cross multiply
    276,821.88x = 382,014.16 × 149,497.45
  4. Step 4: Simplify right side
    276,821.88x = 57,110,142,783.89
  5. Step 5: Solve for x
    x = 57,110,142,783.89/276,821.88
  6. Step 6: Final answer
    x = 206,306.46

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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.