Finding the Fourth Proportional to 712,609.73, 1,068,914.58 and 180,130.75
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Solution
The fourth proportional to 712,609.73, 1,068,914.58 and 180,130.75 is: 270,196.12
Step by Step Solution
- Step 1: Write the proportion equation
712,609.73 : 1,068,914.58 = 180,130.75 : x - Step 2: Convert to fraction form
712,609.73/1,068,914.58 = 180,130.75/x - Step 3: Cross multiply
712,609.73x = 1,068,914.58 × 180,130.75 - Step 4: Simplify right side
712,609.73x = 192,544,382,309.05 - Step 5: Solve for x
x = 192,544,382,309.05/712,609.73 - Step 6: Final answer
x = 270,196.12
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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.