Finding the Fourth Proportional to 149,684.68, 206,564.58 and 82,616.68
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Solution
The fourth proportional to 149,684.68, 206,564.58 and 82,616.68 is: 114,010.86
Step by Step Solution
- Step 1: Write the proportion equation
149,684.68 : 206,564.58 = 82,616.68 : x - Step 2: Convert to fraction form
149,684.68/206,564.58 = 82,616.68/x - Step 3: Cross multiply
149,684.68x = 206,564.58 × 82,616.68 - Step 4: Simplify right side
149,684.68x = 17,065,679,805.19 - Step 5: Solve for x
x = 17,065,679,805.19/149,684.68 - Step 6: Final answer
x = 114,010.86
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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.