Finding the Fourth Proportional to 342,058.48, 513,163.44 and 117,413.88
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Solution
The fourth proportional to 342,058.48, 513,163.44 and 117,413.88 is: 176,146.81
Step by Step Solution
- Step 1: Write the proportion equation
342,058.48 : 513,163.44 = 117,413.88 : x - Step 2: Convert to fraction form
342,058.48/513,163.44 = 117,413.88/x - Step 3: Cross multiply
342,058.48x = 513,163.44 × 117,413.88 - Step 4: Simplify right side
342,058.48x = 60,252,510,564.55 - Step 5: Solve for x
x = 60,252,510,564.55/342,058.48 - Step 6: Final answer
x = 176,146.81
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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.