Finding the Fourth Proportional to 248,413.49, 342,811.91 and 135,237.05
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Solution
The fourth proportional to 248,413.49, 342,811.91 and 135,237.05 is: 186,627.83
Step by Step Solution
- Step 1: Write the proportion equation
248,413.49 : 342,811.91 = 135,237.05 : x - Step 2: Convert to fraction form
248,413.49/342,811.91 = 135,237.05/x - Step 3: Cross multiply
248,413.49x = 342,811.91 × 135,237.05 - Step 4: Simplify right side
248,413.49x = 46,360,871,413.27 - Step 5: Solve for x
x = 46,360,871,413.27/248,413.49 - Step 6: Final answer
x = 186,627.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.