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Finding the Fourth Proportional to 199,233.70, 298,850.55 and 120,307.30

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Solution

The fourth proportional to 199,233.70, 298,850.55 and 120,307.30 is: 180,460.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,233.70 : 298,850.55 = 120,307.30 : x
  2. Step 2: Convert to fraction form
    199,233.70/298,850.55 = 120,307.30/x
  3. Step 3: Cross multiply
    199,233.70x = 298,850.55 × 120,307.30
  4. Step 4: Simplify right side
    199,233.70x = 35,953,902,774.02
  5. Step 5: Solve for x
    x = 35,953,902,774.02/199,233.70
  6. Step 6: Final answer
    x = 180,460.95

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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.