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Finding the Fourth Proportional to 238,409.36, 328,922.20 and 152,418.68

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Solution

The fourth proportional to 238,409.36, 328,922.20 and 152,418.68 is: 210,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,409.36 : 328,922.20 = 152,418.68 : x
  2. Step 2: Convert to fraction form
    238,409.36/328,922.20 = 152,418.68/x
  3. Step 3: Cross multiply
    238,409.36x = 328,922.20 × 152,418.68
  4. Step 4: Simplify right side
    238,409.36x = 50,133,887,546.70
  5. Step 5: Solve for x
    x = 50,133,887,546.70/238,409.36
  6. Step 6: Final answer
    x = 210,284.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.