Finding the Fourth Proportional to 680,852.24, 1,021,413.68 and 231,452.44
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Solution
The fourth proportional to 680,852.24, 1,021,413.68 and 231,452.44 is: 347,224.66
Step by Step Solution
- Step 1: Write the proportion equation
680,852.24 : 1,021,413.68 = 231,452.44 : x - Step 2: Convert to fraction form
680,852.24/1,021,413.68 = 231,452.44/x - Step 3: Cross multiply
680,852.24x = 1,021,413.68 × 231,452.44 - Step 4: Simplify right side
680,852.24x = 236,408,685,642.53 - Step 5: Solve for x
x = 236,408,685,642.53/680,852.24 - Step 6: Final answer
x = 347,224.66
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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.