Finding the Fourth Proportional to 316,652.14, 436,981.35 and 173,413.18
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Solution
The fourth proportional to 316,652.14, 436,981.35 and 173,413.18 is: 239,310.95
Step by Step Solution
- Step 1: Write the proportion equation
316,652.14 : 436,981.35 = 173,413.18 : x - Step 2: Convert to fraction form
316,652.14/436,981.35 = 173,413.18/x - Step 3: Cross multiply
316,652.14x = 436,981.35 × 173,413.18 - Step 4: Simplify right side
316,652.14x = 75,778,325,504.19 - Step 5: Solve for x
x = 75,778,325,504.19/316,652.14 - Step 6: Final answer
x = 239,310.95
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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.