Finding the Fourth Proportional to 194,413.68, 266,541.12 and 190,870.74
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Solution
The fourth proportional to 194,413.68, 266,541.12 and 190,870.74 is: 261,683.75
Step by Step Solution
- Step 1: Write the proportion equation
194,413.68 : 266,541.12 = 190,870.74 : x - Step 2: Convert to fraction form
194,413.68/266,541.12 = 190,870.74/x - Step 3: Cross multiply
194,413.68x = 266,541.12 × 190,870.74 - Step 4: Simplify right side
194,413.68x = 50,874,900,814.83 - Step 5: Solve for x
x = 50,874,900,814.83/194,413.68 - Step 6: Final answer
x = 261,683.75
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.