Home / 276,803.50-415,381.86-99,306.58

Finding the Fourth Proportional to 276,803.50, 415,381.86 and 99,306.58

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Solution

The fourth proportional to 276,803.50, 415,381.86 and 99,306.58 is: 149,023.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,803.50 : 415,381.86 = 99,306.58 : x
  2. Step 2: Convert to fraction form
    276,803.50/415,381.86 = 99,306.58/x
  3. Step 3: Cross multiply
    276,803.50x = 415,381.86 × 99,306.58
  4. Step 4: Simplify right side
    276,803.50x = 41,250,151,910.64
  5. Step 5: Solve for x
    x = 41,250,151,910.64/276,803.50
  6. Step 6: Final answer
    x = 149,023.23

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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.