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Finding the Fourth Proportional to 306,233.40, 459,350.10 and 223,289.40

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Solution

The fourth proportional to 306,233.40, 459,350.10 and 223,289.40 is: 334,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,233.40 : 459,350.10 = 223,289.40 : x
  2. Step 2: Convert to fraction form
    306,233.40/459,350.10 = 223,289.40/x
  3. Step 3: Cross multiply
    306,233.40x = 459,350.10 × 223,289.40
  4. Step 4: Simplify right side
    306,233.40x = 102,568,008,218.94
  5. Step 5: Solve for x
    x = 102,568,008,218.94/306,233.40
  6. Step 6: Final answer
    x = 334,934.10

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1.5x scale

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.