Home / 230,413.73-345,587.79-72,621.68

Finding the Fourth Proportional to 230,413.73, 345,587.79 and 72,621.68

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Solution

The fourth proportional to 230,413.73, 345,587.79 and 72,621.68 is: 108,922.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,413.73 : 345,587.79 = 72,621.68 : x
  2. Step 2: Convert to fraction form
    230,413.73/345,587.79 = 72,621.68/x
  3. Step 3: Cross multiply
    230,413.73x = 345,587.79 × 72,621.68
  4. Step 4: Simplify right side
    230,413.73x = 25,097,165,897.29
  5. Step 5: Solve for x
    x = 25,097,165,897.29/230,413.73
  6. Step 6: Final answer
    x = 108,922.18

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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.