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Finding the Fourth Proportional to 281,768.70, 388,880.68 and 174,373.32

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Solution

The fourth proportional to 281,768.70, 388,880.68 and 174,373.32 is: 240,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,768.70 : 388,880.68 = 174,373.32 : x
  2. Step 2: Convert to fraction form
    281,768.70/388,880.68 = 174,373.32/x
  3. Step 3: Cross multiply
    281,768.70x = 388,880.68 × 174,373.32
  4. Step 4: Simplify right side
    281,768.70x = 67,810,415,255.46
  5. Step 5: Solve for x
    x = 67,810,415,255.46/281,768.70
  6. Step 6: Final answer
    x = 240,659.86

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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.