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Finding the Fourth Proportional to 267,594.36, 401,340.45 and 134,437.65

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Solution

The fourth proportional to 267,594.36, 401,340.45 and 134,437.65 is: 201,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,594.36 : 401,340.45 = 134,437.65 : x
  2. Step 2: Convert to fraction form
    267,594.36/401,340.45 = 134,437.65/x
  3. Step 3: Cross multiply
    267,594.36x = 401,340.45 × 134,437.65
  4. Step 4: Simplify right side
    267,594.36x = 53,955,266,947.94
  5. Step 5: Solve for x
    x = 53,955,266,947.94/267,594.36
  6. Step 6: Final answer
    x = 201,630.81

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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.