Finding the Fourth Proportional to 477,723.80, 716,585.70 and 193,413.80
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Solution
The fourth proportional to 477,723.80, 716,585.70 and 193,413.80 is: 290,120.70
Step by Step Solution
- Step 1: Write the proportion equation
477,723.80 : 716,585.70 = 193,413.80 : x - Step 2: Convert to fraction form
477,723.80/716,585.70 = 193,413.80/x - Step 3: Cross multiply
477,723.80x = 716,585.70 × 193,413.80 - Step 4: Simplify right side
477,723.80x = 138,597,563,262.66 - Step 5: Solve for x
x = 138,597,563,262.66/477,723.80 - Step 6: Final answer
x = 290,120.70
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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.