Finding the Fourth Proportional to 180,520.12, 249,120.39 and 103,996.99
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Solution
The fourth proportional to 180,520.12, 249,120.39 and 103,996.99 is: 143,517.36
Step by Step Solution
- Step 1: Write the proportion equation
180,520.12 : 249,120.39 = 103,996.99 : x - Step 2: Convert to fraction form
180,520.12/249,120.39 = 103,996.99/x - Step 3: Cross multiply
180,520.12x = 249,120.39 × 103,996.99 - Step 4: Simplify right side
180,520.12x = 25,907,770,707.63 - Step 5: Solve for x
x = 25,907,770,707.63/180,520.12 - Step 6: Final answer
x = 143,517.36
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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.