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Finding the Fourth Proportional to 303,449.76, 454,950 and 145,527.84

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Solution

The fourth proportional to 303,449.76, 454,950 and 145,527.84 is: 218,184.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,449.76 : 454,950 = 145,527.84 : x
  2. Step 2: Convert to fraction form
    303,449.76/454,950 = 145,527.84/x
  3. Step 3: Cross multiply
    303,449.76x = 454,950 × 145,527.84
  4. Step 4: Simplify right side
    303,449.76x = 66,207,890,808
  5. Step 5: Solve for x
    x = 66,207,890,808/303,449.76
  6. Step 6: Final answer
    x = 218,184.03

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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.