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Finding the Fourth Proportional to 240,485.78, 331,880.16 and 133,054.07

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Solution

The fourth proportional to 240,485.78, 331,880.16 and 133,054.07 is: 183,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,485.78 : 331,880.16 = 133,054.07 : x
  2. Step 2: Convert to fraction form
    240,485.78/331,880.16 = 133,054.07/x
  3. Step 3: Cross multiply
    240,485.78x = 331,880.16 × 133,054.07
  4. Step 4: Simplify right side
    240,485.78x = 44,158,006,040.25
  5. Step 5: Solve for x
    x = 44,158,006,040.25/240,485.78
  6. Step 6: Final answer
    x = 183,620.03

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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.