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Finding the Fourth Proportional to 300,567.14, 450,938.55 and 134,316.26

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Solution

The fourth proportional to 300,567.14, 450,938.55 and 134,316.26 is: 201,513.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,567.14 : 450,938.55 = 134,316.26 : x
  2. Step 2: Convert to fraction form
    300,567.14/450,938.55 = 134,316.26/x
  3. Step 3: Cross multiply
    300,567.14x = 450,938.55 × 134,316.26
  4. Step 4: Simplify right side
    300,567.14x = 60,568,379,525.82
  5. Step 5: Solve for x
    x = 60,568,379,525.82/300,567.14
  6. Step 6: Final answer
    x = 201,513.64

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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.