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Finding the Fourth Proportional to 212,950.07, 320,894.07 and 192,958.67

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Solution

The fourth proportional to 212,950.07, 320,894.07 and 192,958.67 is: 290,769.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,950.07 : 320,894.07 = 192,958.67 : x
  2. Step 2: Convert to fraction form
    212,950.07/320,894.07 = 192,958.67/x
  3. Step 3: Cross multiply
    212,950.07x = 320,894.07 × 192,958.67
  4. Step 4: Simplify right side
    212,950.07x = 61,919,291,954.31
  5. Step 5: Solve for x
    x = 61,919,291,954.31/212,950.07
  6. Step 6: Final answer
    x = 290,769.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.