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Finding the Fourth Proportional to 230,054.66, 345,116.82 and 72,268.28

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Solution

The fourth proportional to 230,054.66, 345,116.82 and 72,268.28 is: 108,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,054.66 : 345,116.82 = 72,268.28 : x
  2. Step 2: Convert to fraction form
    230,054.66/345,116.82 = 72,268.28/x
  3. Step 3: Cross multiply
    230,054.66x = 345,116.82 × 72,268.28
  4. Step 4: Simplify right side
    230,054.66x = 24,940,998,980.47
  5. Step 5: Solve for x
    x = 24,940,998,980.47/230,054.66
  6. Step 6: Final answer
    x = 108,413.36

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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.