Finding the Fourth Proportional to 190,413.67, 262,774.08 and 104,370.94
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Solution
The fourth proportional to 190,413.67, 262,774.08 and 104,370.94 is: 144,033.66
Step by Step Solution
- Step 1: Write the proportion equation
190,413.67 : 262,774.08 = 104,370.94 : x - Step 2: Convert to fraction form
190,413.67/262,774.08 = 104,370.94/x - Step 3: Cross multiply
190,413.67x = 262,774.08 × 104,370.94 - Step 4: Simplify right side
190,413.67x = 27,425,977,737.24 - Step 5: Solve for x
x = 27,425,977,737.24/190,413.67 - Step 6: Final answer
x = 144,033.66
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1.5x scale
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.