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Finding the Fourth Proportional to 306,289.56, 459,120.86 and 298,605.90

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Solution

The fourth proportional to 306,289.56, 459,120.86 and 298,605.90 is: 447,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,289.56 : 459,120.86 = 298,605.90 : x
  2. Step 2: Convert to fraction form
    306,289.56/459,120.86 = 298,605.90/x
  3. Step 3: Cross multiply
    306,289.56x = 459,120.86 × 298,605.90
  4. Step 4: Simplify right side
    306,289.56x = 137,096,197,609.07
  5. Step 5: Solve for x
    x = 137,096,197,609.07/306,289.56
  6. Step 6: Final answer
    x = 447,603.23

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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.