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Finding the Fourth Proportional to 253,888.29, 380,458.22 and 141,413.67

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Solution

The fourth proportional to 253,888.29, 380,458.22 and 141,413.67 is: 211,912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,888.29 : 380,458.22 = 141,413.67 : x
  2. Step 2: Convert to fraction form
    253,888.29/380,458.22 = 141,413.67/x
  3. Step 3: Cross multiply
    253,888.29x = 380,458.22 × 141,413.67
  4. Step 4: Simplify right side
    253,888.29x = 53,801,992,464.80
  5. Step 5: Solve for x
    x = 53,801,992,464.80/253,888.29
  6. Step 6: Final answer
    x = 211,912.07

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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.