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Finding the Fourth Proportional to 201,677.40, 278,108.52 and 133,670.76

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Solution

The fourth proportional to 201,677.40, 278,108.52 and 133,670.76 is: 184,328.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,677.40 : 278,108.52 = 133,670.76 : x
  2. Step 2: Convert to fraction form
    201,677.40/278,108.52 = 133,670.76/x
  3. Step 3: Cross multiply
    201,677.40x = 278,108.52 × 133,670.76
  4. Step 4: Simplify right side
    201,677.40x = 37,174,977,230.88
  5. Step 5: Solve for x
    x = 37,174,977,230.88/201,677.40
  6. Step 6: Final answer
    x = 184,328.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.