Finding the Fourth Proportional to 136,285.36, 204,413.65 and 36,455.62
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Solution
The fourth proportional to 136,285.36, 204,413.65 and 36,455.62 is: 54,679.58
Step by Step Solution
- Step 1: Write the proportion equation
136,285.36 : 204,413.65 = 36,455.62 : x - Step 2: Convert to fraction form
136,285.36/204,413.65 = 36,455.62/x - Step 3: Cross multiply
136,285.36x = 204,413.65 × 36,455.62 - Step 4: Simplify right side
136,285.36x = 7,452,026,347.21 - Step 5: Solve for x
x = 7,452,026,347.21/136,285.36 - Step 6: Final answer
x = 54,679.58
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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.