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Finding the Fourth Proportional to 358,768.26, 538,218.50 and 148,422.60

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Solution

The fourth proportional to 358,768.26, 538,218.50 and 148,422.60 is: 222,661.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,768.26 : 538,218.50 = 148,422.60 : x
  2. Step 2: Convert to fraction form
    358,768.26/538,218.50 = 148,422.60/x
  3. Step 3: Cross multiply
    358,768.26x = 538,218.50 × 148,422.60
  4. Step 4: Simplify right side
    358,768.26x = 79,883,788,395.99
  5. Step 5: Solve for x
    x = 79,883,788,395.99/358,768.26
  6. Step 6: Final answer
    x = 222,661.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.