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Finding the Fourth Proportional to 351,642.57, 485,266.14 and 190,501.67

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Solution

The fourth proportional to 351,642.57, 485,266.14 and 190,501.67 is: 262,891.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,642.57 : 485,266.14 = 190,501.67 : x
  2. Step 2: Convert to fraction form
    351,642.57/485,266.14 = 190,501.67/x
  3. Step 3: Cross multiply
    351,642.57x = 485,266.14 × 190,501.67
  4. Step 4: Simplify right side
    351,642.57x = 92,444,011,277.62
  5. Step 5: Solve for x
    x = 92,444,011,277.62/351,642.57
  6. Step 6: Final answer
    x = 262,891.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.