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Finding the Fourth Proportional to 268,245, 370,187.82 and 153,544.68

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Solution

The fourth proportional to 268,245, 370,187.82 and 153,544.68 is: 211,897.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,245 : 370,187.82 = 153,544.68 : x
  2. Step 2: Convert to fraction form
    268,245/370,187.82 = 153,544.68/x
  3. Step 3: Cross multiply
    268,245x = 370,187.82 × 153,544.68
  4. Step 4: Simplify right side
    268,245x = 56,840,370,361.80
  5. Step 5: Solve for x
    x = 56,840,370,361.80/268,245
  6. Step 6: Final answer
    x = 211,897.22

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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.