Home / 299,015.96-412,639.02-163,049.57

Finding the Fourth Proportional to 299,015.96, 412,639.02 and 163,049.57

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Solution

The fourth proportional to 299,015.96, 412,639.02 and 163,049.57 is: 225,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,015.96 : 412,639.02 = 163,049.57 : x
  2. Step 2: Convert to fraction form
    299,015.96/412,639.02 = 163,049.57/x
  3. Step 3: Cross multiply
    299,015.96x = 412,639.02 × 163,049.57
  4. Step 4: Simplify right side
    299,015.96x = 67,280,614,776.22
  5. Step 5: Solve for x
    x = 67,280,614,776.22/299,015.96
  6. Step 6: Final answer
    x = 225,006.77

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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.