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Finding the Fourth Proportional to 238,230.36, 328,743 and 130,799.70

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Solution

The fourth proportional to 238,230.36, 328,743 and 130,799.70 is: 180,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,230.36 : 328,743 = 130,799.70 : x
  2. Step 2: Convert to fraction form
    238,230.36/328,743 = 130,799.70/x
  3. Step 3: Cross multiply
    238,230.36x = 328,743 × 130,799.70
  4. Step 4: Simplify right side
    238,230.36x = 42,999,485,777.10
  5. Step 5: Solve for x
    x = 42,999,485,777.10/238,230.36
  6. Step 6: Final answer
    x = 180,495.41

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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.