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Finding the Fourth Proportional to 300,577.59, 414,829.53 and 191,685.48

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Solution

The fourth proportional to 300,577.59, 414,829.53 and 191,685.48 is: 264,546.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,577.59 : 414,829.53 = 191,685.48 : x
  2. Step 2: Convert to fraction form
    300,577.59/414,829.53 = 191,685.48/x
  3. Step 3: Cross multiply
    300,577.59x = 414,829.53 × 191,685.48
  4. Step 4: Simplify right side
    300,577.59x = 79,516,797,576.22
  5. Step 5: Solve for x
    x = 79,516,797,576.22/300,577.59
  6. Step 6: Final answer
    x = 264,546.66

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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.