Home / 298,947.81-447,922.41-210,042.15

Finding the Fourth Proportional to 298,947.81, 447,922.41 and 210,042.15

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Solution

The fourth proportional to 298,947.81, 447,922.41 and 210,042.15 is: 314,712.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,947.81 : 447,922.41 = 210,042.15 : x
  2. Step 2: Convert to fraction form
    298,947.81/447,922.41 = 210,042.15/x
  3. Step 3: Cross multiply
    298,947.81x = 447,922.41 × 210,042.15
  4. Step 4: Simplify right side
    298,947.81x = 94,082,586,029.58
  5. Step 5: Solve for x
    x = 94,082,586,029.58/298,947.81
  6. Step 6: Final answer
    x = 314,712.41

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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.