Finding the Fourth Proportional to 712,593.16, 1,068,988.08 and 239,413.84
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Solution
The fourth proportional to 712,593.16, 1,068,988.08 and 239,413.84 is: 359,153.80
Step by Step Solution
- Step 1: Write the proportion equation
712,593.16 : 1,068,988.08 = 239,413.84 : x - Step 2: Convert to fraction form
712,593.16/1,068,988.08 = 239,413.84/x - Step 3: Cross multiply
712,593.16x = 1,068,988.08 × 239,413.84 - Step 4: Simplify right side
712,593.16x = 255,930,541,147.03 - Step 5: Solve for x
x = 255,930,541,147.03/712,593.16 - Step 6: Final answer
x = 359,153.80
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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.