Finding the Fourth Proportional to 150,684.75, 207,954.68 and 83,616.75
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Solution
The fourth proportional to 150,684.75, 207,954.68 and 83,616.75 is: 115,396.51
Step by Step Solution
- Step 1: Write the proportion equation
150,684.75 : 207,954.68 = 83,616.75 : x - Step 2: Convert to fraction form
150,684.75/207,954.68 = 83,616.75/x - Step 3: Cross multiply
150,684.75x = 207,954.68 × 83,616.75 - Step 4: Simplify right side
150,684.75x = 17,388,494,070.81 - Step 5: Solve for x
x = 17,388,494,070.81/150,684.75 - Step 6: Final answer
x = 115,396.51
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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.