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Finding the Fourth Proportional to 306,399.54, 459,451.69 and 106,715.51

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Solution

The fourth proportional to 306,399.54, 459,451.69 and 106,715.51 is: 160,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,399.54 : 459,451.69 = 106,715.51 : x
  2. Step 2: Convert to fraction form
    306,399.54/459,451.69 = 106,715.51/x
  3. Step 3: Cross multiply
    306,399.54x = 459,451.69 × 106,715.51
  4. Step 4: Simplify right side
    306,399.54x = 49,030,621,177.88
  5. Step 5: Solve for x
    x = 49,030,621,177.88/306,399.54
  6. Step 6: Final answer
    x = 160,021.85

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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.