Home / 299,272.95-412,982.06-163,298.79

Finding the Fourth Proportional to 299,272.95, 412,982.06 and 163,298.79

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Solution

The fourth proportional to 299,272.95, 412,982.06 and 163,298.79 is: 225,344.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,272.95 : 412,982.06 = 163,298.79 : x
  2. Step 2: Convert to fraction form
    299,272.95/412,982.06 = 163,298.79/x
  3. Step 3: Cross multiply
    299,272.95x = 412,982.06 × 163,298.79
  4. Step 4: Simplify right side
    299,272.95x = 67,439,469,873.21
  5. Step 5: Solve for x
    x = 67,439,469,873.21/299,272.95
  6. Step 6: Final answer
    x = 225,344.35

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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.