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Finding the Fourth Proportional to 333,280.58, 499,918.46 and 133,598.06

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Solution

The fourth proportional to 333,280.58, 499,918.46 and 133,598.06 is: 200,396.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,280.58 : 499,918.46 = 133,598.06 : x
  2. Step 2: Convert to fraction form
    333,280.58/499,918.46 = 133,598.06/x
  3. Step 3: Cross multiply
    333,280.58x = 499,918.46 × 133,598.06
  4. Step 4: Simplify right side
    333,280.58x = 66,788,136,414.19
  5. Step 5: Solve for x
    x = 66,788,136,414.19/333,280.58
  6. Step 6: Final answer
    x = 200,396.12

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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.