Finding the Fourth Proportional to 354,413.98, 531,548.46 and 101,626.74
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Solution
The fourth proportional to 354,413.98, 531,548.46 and 101,626.74 is: 152,419.32
Step by Step Solution
- Step 1: Write the proportion equation
354,413.98 : 531,548.46 = 101,626.74 : x - Step 2: Convert to fraction form
354,413.98/531,548.46 = 101,626.74/x - Step 3: Cross multiply
354,413.98x = 531,548.46 × 101,626.74 - Step 4: Simplify right side
354,413.98x = 54,019,537,141.82 - Step 5: Solve for x
x = 54,019,537,141.82/354,413.98 - Step 6: Final answer
x = 152,419.32
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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.