Home / 427,451.58-641,172.51-174,867.66

Finding the Fourth Proportional to 427,451.58, 641,172.51 and 174,867.66

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Solution

The fourth proportional to 427,451.58, 641,172.51 and 174,867.66 is: 262,299.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,451.58 : 641,172.51 = 174,867.66 : x
  2. Step 2: Convert to fraction form
    427,451.58/641,172.51 = 174,867.66/x
  3. Step 3: Cross multiply
    427,451.58x = 641,172.51 × 174,867.66
  4. Step 4: Simplify right side
    427,451.58x = 112,120,336,480.03
  5. Step 5: Solve for x
    x = 112,120,336,480.03/427,451.58
  6. Step 6: Final answer
    x = 262,299.50

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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.