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Finding the Fourth Proportional to 266,745.86, 368,104.11 and 145,886.76

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Solution

The fourth proportional to 266,745.86, 368,104.11 and 145,886.76 is: 201,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,745.86 : 368,104.11 = 145,886.76 : x
  2. Step 2: Convert to fraction form
    266,745.86/368,104.11 = 145,886.76/x
  3. Step 3: Cross multiply
    266,745.86x = 368,104.11 × 145,886.76
  4. Step 4: Simplify right side
    266,745.86x = 53,701,515,950.58
  5. Step 5: Solve for x
    x = 53,701,515,950.58/266,745.86
  6. Step 6: Final answer
    x = 201,320.90

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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.