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Finding the Fourth Proportional to 306,288.55, 459,119.35 and 298,604.89

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Solution

The fourth proportional to 306,288.55, 459,119.35 and 298,604.89 is: 447,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,288.55 : 459,119.35 = 298,604.89 : x
  2. Step 2: Convert to fraction form
    306,288.55/459,119.35 = 298,604.89/x
  3. Step 3: Cross multiply
    306,288.55x = 459,119.35 × 298,604.89
  4. Step 4: Simplify right side
    306,288.55x = 137,095,283,003.62
  5. Step 5: Solve for x
    x = 137,095,283,003.62/306,288.55
  6. Step 6: Final answer
    x = 447,601.72

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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.