Finding the Fourth Proportional to 149,567.54, 206,403.84 and 81,585.99
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Solution
The fourth proportional to 149,567.54, 206,403.84 and 81,585.99 is: 112,589.02
Step by Step Solution
- Step 1: Write the proportion equation
149,567.54 : 206,403.84 = 81,585.99 : x - Step 2: Convert to fraction form
149,567.54/206,403.84 = 81,585.99/x - Step 3: Cross multiply
149,567.54x = 206,403.84 × 81,585.99 - Step 4: Simplify right side
149,567.54x = 16,839,661,626.20 - Step 5: Solve for x
x = 16,839,661,626.20/149,567.54 - Step 6: Final answer
x = 112,589.02
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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.