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Finding the Fourth Proportional to 183,453.89, 274,745.81 and 145,380.74

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Solution

The fourth proportional to 183,453.89, 274,745.81 and 145,380.74 is: 217,726.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,453.89 : 274,745.81 = 145,380.74 : x
  2. Step 2: Convert to fraction form
    183,453.89/274,745.81 = 145,380.74/x
  3. Step 3: Cross multiply
    183,453.89x = 274,745.81 × 145,380.74
  4. Step 4: Simplify right side
    183,453.89x = 39,942,748,159.42
  5. Step 5: Solve for x
    x = 39,942,748,159.42/183,453.89
  6. Step 6: Final answer
    x = 217,726.37

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1.5x scale

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.