Home / 298,922.74-448,286.60-99,189.50

Finding the Fourth Proportional to 298,922.74, 448,286.60 and 99,189.50

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Solution

The fourth proportional to 298,922.74, 448,286.60 and 99,189.50 is: 148,751.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,922.74 : 448,286.60 = 99,189.50 : x
  2. Step 2: Convert to fraction form
    298,922.74/448,286.60 = 99,189.50/x
  3. Step 3: Cross multiply
    298,922.74x = 448,286.60 × 99,189.50
  4. Step 4: Simplify right side
    298,922.74x = 44,465,322,094.04
  5. Step 5: Solve for x
    x = 44,465,322,094.04/298,922.74
  6. Step 6: Final answer
    x = 148,751.89

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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.