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Finding the Fourth Proportional to 437,694.58, 656,599.28 and 171,420.49

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Solution

The fourth proportional to 437,694.58, 656,599.28 and 171,420.49 is: 257,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,694.58 : 656,599.28 = 171,420.49 : x
  2. Step 2: Convert to fraction form
    437,694.58/656,599.28 = 171,420.49/x
  3. Step 3: Cross multiply
    437,694.58x = 656,599.28 × 171,420.49
  4. Step 4: Simplify right side
    437,694.58x = 112,554,570,311.25
  5. Step 5: Solve for x
    x = 112,554,570,311.25/437,694.58
  6. Step 6: Final answer
    x = 257,153.22

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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.