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Finding the Fourth Proportional to 298,396.06, 447,544.88 and 95,982.03

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Solution

The fourth proportional to 298,396.06, 447,544.88 and 95,982.03 is: 143,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,396.06 : 447,544.88 = 95,982.03 : x
  2. Step 2: Convert to fraction form
    298,396.06/447,544.88 = 95,982.03/x
  3. Step 3: Cross multiply
    298,396.06x = 447,544.88 × 95,982.03
  4. Step 4: Simplify right side
    298,396.06x = 42,956,266,098.51
  5. Step 5: Solve for x
    x = 42,956,266,098.51/298,396.06
  6. Step 6: Final answer
    x = 143,957.22

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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.