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Finding the Fourth Proportional to 268,794.60, 370,867.86 and 155,550.12

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Solution

The fourth proportional to 268,794.60, 370,867.86 and 155,550.12 is: 214,619.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,794.60 : 370,867.86 = 155,550.12 : x
  2. Step 2: Convert to fraction form
    268,794.60/370,867.86 = 155,550.12/x
  3. Step 3: Cross multiply
    268,794.60x = 370,867.86 × 155,550.12
  4. Step 4: Simplify right side
    268,794.60x = 57,688,540,127.14
  5. Step 5: Solve for x
    x = 57,688,540,127.14/268,794.60
  6. Step 6: Final answer
    x = 214,619.42

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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.