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Finding the Fourth Proportional to 296,820.54, 445,226.10 and 94,413.78

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Solution

The fourth proportional to 296,820.54, 445,226.10 and 94,413.78 is: 141,619.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,820.54 : 445,226.10 = 94,413.78 : x
  2. Step 2: Convert to fraction form
    296,820.54/445,226.10 = 94,413.78/x
  3. Step 3: Cross multiply
    296,820.54x = 445,226.10 × 94,413.78
  4. Step 4: Simplify right side
    296,820.54x = 42,035,479,055.66
  5. Step 5: Solve for x
    x = 42,035,479,055.66/296,820.54
  6. Step 6: Final answer
    x = 141,619.17

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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.