Finding the Fourth Proportional to 352,047.10, 528,070.65 and 115,413.70
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Solution
The fourth proportional to 352,047.10, 528,070.65 and 115,413.70 is: 173,120.55
Step by Step Solution
- Step 1: Write the proportion equation
352,047.10 : 528,070.65 = 115,413.70 : x - Step 2: Convert to fraction form
352,047.10/528,070.65 = 115,413.70/x - Step 3: Cross multiply
352,047.10x = 528,070.65 × 115,413.70 - Step 4: Simplify right side
352,047.10x = 60,946,587,577.91 - Step 5: Solve for x
x = 60,946,587,577.91/352,047.10 - Step 6: Final answer
x = 173,120.55
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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.