Finding the Fourth Proportional to 259,373.44, 388,904.40 and 101,413.68
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Solution
The fourth proportional to 259,373.44, 388,904.40 and 101,413.68 is: 152,059.62
Step by Step Solution
- Step 1: Write the proportion equation
259,373.44 : 388,904.40 = 101,413.68 : x - Step 2: Convert to fraction form
259,373.44/388,904.40 = 101,413.68/x - Step 3: Cross multiply
259,373.44x = 388,904.40 × 101,413.68 - Step 4: Simplify right side
259,373.44x = 39,440,226,372.19 - Step 5: Solve for x
x = 39,440,226,372.19/259,373.44 - Step 6: Final answer
x = 152,059.62
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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.