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Finding the Fourth Proportional to 238,283.82, 328,818.87 and 130,868.46

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Solution

The fourth proportional to 238,283.82, 328,818.87 and 130,868.46 is: 180,591.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,283.82 : 328,818.87 = 130,868.46 : x
  2. Step 2: Convert to fraction form
    238,283.82/328,818.87 = 130,868.46/x
  3. Step 3: Cross multiply
    238,283.82x = 328,818.87 × 130,868.46
  4. Step 4: Simplify right side
    238,283.82x = 43,032,019,135.84
  5. Step 5: Solve for x
    x = 43,032,019,135.84/238,283.82
  6. Step 6: Final answer
    x = 180,591.44

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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.