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Finding the Fourth Proportional to 299,040.36, 412,654.86 and 168,237.72

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Solution

The fourth proportional to 299,040.36, 412,654.86 and 168,237.72 is: 232,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,040.36 : 412,654.86 = 168,237.72 : x
  2. Step 2: Convert to fraction form
    299,040.36/412,654.86 = 168,237.72/x
  3. Step 3: Cross multiply
    299,040.36x = 412,654.86 × 168,237.72
  4. Step 4: Simplify right side
    299,040.36x = 69,424,112,793.32
  5. Step 5: Solve for x
    x = 69,424,112,793.32/299,040.36
  6. Step 6: Final answer
    x = 232,156.33

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1.5x scale

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.