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Finding the Fourth Proportional to 333,099.30, 499,503.15 and 133,353.30

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Solution

The fourth proportional to 333,099.30, 499,503.15 and 133,353.30 is: 199,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,099.30 : 499,503.15 = 133,353.30 : x
  2. Step 2: Convert to fraction form
    333,099.30/499,503.15 = 133,353.30/x
  3. Step 3: Cross multiply
    333,099.30x = 499,503.15 × 133,353.30
  4. Step 4: Simplify right side
    333,099.30x = 66,610,393,412.90
  5. Step 5: Solve for x
    x = 66,610,393,412.90/333,099.30
  6. Step 6: Final answer
    x = 199,971.58

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1.5x scale

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.