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Finding the Fourth Proportional to 247,710, 341,903.40 and 150,979.44

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Solution

The fourth proportional to 247,710, 341,903.40 and 150,979.44 is: 208,390.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,710 : 341,903.40 = 150,979.44 : x
  2. Step 2: Convert to fraction form
    247,710/341,903.40 = 150,979.44/x
  3. Step 3: Cross multiply
    247,710x = 341,903.40 × 150,979.44
  4. Step 4: Simplify right side
    247,710x = 51,620,383,866.10
  5. Step 5: Solve for x
    x = 51,620,383,866.10/247,710
  6. Step 6: Final answer
    x = 208,390.39

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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.