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Finding the Fourth Proportional to 266,745.33, 400,063.31 and 116,903.02

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Solution

The fourth proportional to 266,745.33, 400,063.31 and 116,903.02 is: 175,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,745.33 : 400,063.31 = 116,903.02 : x
  2. Step 2: Convert to fraction form
    266,745.33/400,063.31 = 116,903.02/x
  3. Step 3: Cross multiply
    266,745.33x = 400,063.31 × 116,903.02
  4. Step 4: Simplify right side
    266,745.33x = 46,768,609,130.20
  5. Step 5: Solve for x
    x = 46,768,609,130.20/266,745.33
  6. Step 6: Final answer
    x = 175,330.56

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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.