Finding the Fourth Proportional to 243,209.20, 364,813.80 and 168,413.80
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Solution
The fourth proportional to 243,209.20, 364,813.80 and 168,413.80 is: 252,620.70
Step by Step Solution
- Step 1: Write the proportion equation
243,209.20 : 364,813.80 = 168,413.80 : x - Step 2: Convert to fraction form
243,209.20/364,813.80 = 168,413.80/x - Step 3: Cross multiply
243,209.20x = 364,813.80 × 168,413.80 - Step 4: Simplify right side
243,209.20x = 61,439,678,350.44 - Step 5: Solve for x
x = 61,439,678,350.44/243,209.20 - Step 6: Final answer
x = 252,620.70
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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.