Home / 302,723.74-454,123.31-103,028.78

Finding the Fourth Proportional to 302,723.74, 454,123.31 and 103,028.78

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Solution

The fourth proportional to 302,723.74, 454,123.31 and 103,028.78 is: 154,556.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,723.74 : 454,123.31 = 103,028.78 : x
  2. Step 2: Convert to fraction form
    302,723.74/454,123.31 = 103,028.78/x
  3. Step 3: Cross multiply
    302,723.74x = 454,123.31 × 103,028.78
  4. Step 4: Simplify right side
    302,723.74x = 46,787,770,598.86
  5. Step 5: Solve for x
    x = 46,787,770,598.86/302,723.74
  6. Step 6: Final answer
    x = 154,556.00

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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.