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Finding the Fourth Proportional to 300,505.68, 414,730.94 and 191,614.01

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Solution

The fourth proportional to 300,505.68, 414,730.94 and 191,614.01 is: 264,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,505.68 : 414,730.94 = 191,614.01 : x
  2. Step 2: Convert to fraction form
    300,505.68/414,730.94 = 191,614.01/x
  3. Step 3: Cross multiply
    300,505.68x = 414,730.94 × 191,614.01
  4. Step 4: Simplify right side
    300,505.68x = 79,468,255,452.74
  5. Step 5: Solve for x
    x = 79,468,255,452.74/300,505.68
  6. Step 6: Final answer
    x = 264,448.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.