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Finding the Fourth Proportional to 273,440.49, 377,338.95 and 149,256.69

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Solution

The fourth proportional to 273,440.49, 377,338.95 and 149,256.69 is: 205,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,440.49 : 377,338.95 = 149,256.69 : x
  2. Step 2: Convert to fraction form
    273,440.49/377,338.95 = 149,256.69/x
  3. Step 3: Cross multiply
    273,440.49x = 377,338.95 × 149,256.69
  4. Step 4: Simplify right side
    273,440.49x = 56,320,362,685.08
  5. Step 5: Solve for x
    x = 56,320,362,685.08/273,440.49
  6. Step 6: Final answer
    x = 205,969.36

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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.