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Finding the Fourth Proportional to 303,023.15, 454,668.63 and 158,894.56

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Solution

The fourth proportional to 303,023.15, 454,668.63 and 158,894.56 is: 238,412.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,023.15 : 454,668.63 = 158,894.56 : x
  2. Step 2: Convert to fraction form
    303,023.15/454,668.63 = 158,894.56/x
  3. Step 3: Cross multiply
    303,023.15x = 454,668.63 × 158,894.56
  4. Step 4: Simplify right side
    303,023.15x = 72,244,371,882.13
  5. Step 5: Solve for x
    x = 72,244,371,882.13/303,023.15
  6. Step 6: Final answer
    x = 238,412.06

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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.