Home / 302,722.74-454,121.81-103,027.78

Finding the Fourth Proportional to 302,722.74, 454,121.81 and 103,027.78

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Solution

The fourth proportional to 302,722.74, 454,121.81 and 103,027.78 is: 154,554.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,722.74 : 454,121.81 = 103,027.78 : x
  2. Step 2: Convert to fraction form
    302,722.74/454,121.81 = 103,027.78/x
  3. Step 3: Cross multiply
    302,722.74x = 454,121.81 × 103,027.78
  4. Step 4: Simplify right side
    302,722.74x = 46,787,161,933.88
  5. Step 5: Solve for x
    x = 46,787,161,933.88/302,722.74
  6. Step 6: Final answer
    x = 154,554.50

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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.