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Finding the Fourth Proportional to 299,235.40, 448,932.30 and 130,683.40

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Solution

The fourth proportional to 299,235.40, 448,932.30 and 130,683.40 is: 196,059.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,235.40 : 448,932.30 = 130,683.40 : x
  2. Step 2: Convert to fraction form
    299,235.40/448,932.30 = 130,683.40/x
  3. Step 3: Cross multiply
    299,235.40x = 448,932.30 × 130,683.40
  4. Step 4: Simplify right side
    299,235.40x = 58,667,999,333.82
  5. Step 5: Solve for x
    x = 58,667,999,333.82/299,235.40
  6. Step 6: Final answer
    x = 196,059.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.