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Finding the Fourth Proportional to 333,222.93, 499,843.94 and 130,810.64

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Solution

The fourth proportional to 333,222.93, 499,843.94 and 130,810.64 is: 196,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,222.93 : 499,843.94 = 130,810.64 : x
  2. Step 2: Convert to fraction form
    333,222.93/499,843.94 = 130,810.64/x
  3. Step 3: Cross multiply
    333,222.93x = 499,843.94 × 130,810.64
  4. Step 4: Simplify right side
    333,222.93x = 65,384,902,538.25
  5. Step 5: Solve for x
    x = 65,384,902,538.25/333,222.93
  6. Step 6: Final answer
    x = 196,219.70

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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.