Home / 298,947.56-447,922.04-210,041.90

Finding the Fourth Proportional to 298,947.56, 447,922.04 and 210,041.90

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Solution

The fourth proportional to 298,947.56, 447,922.04 and 210,041.90 is: 314,712.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,947.56 : 447,922.04 = 210,041.90 : x
  2. Step 2: Convert to fraction form
    298,947.56/447,922.04 = 210,041.90/x
  3. Step 3: Cross multiply
    298,947.56x = 447,922.04 × 210,041.90
  4. Step 4: Simplify right side
    298,947.56x = 94,082,393,043.66
  5. Step 5: Solve for x
    x = 94,082,393,043.66/298,947.56
  6. Step 6: Final answer
    x = 314,712.03

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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.