Finding the Fourth Proportional to 206,526.12, 309,790.62 and 94,183.08
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Solution
The fourth proportional to 206,526.12, 309,790.62 and 94,183.08 is: 141,275.28
Step by Step Solution
- Step 1: Write the proportion equation
206,526.12 : 309,790.62 = 94,183.08 : x - Step 2: Convert to fraction form
206,526.12/309,790.62 = 94,183.08/x - Step 3: Cross multiply
206,526.12x = 309,790.62 × 94,183.08 - Step 4: Simplify right side
206,526.12x = 29,177,034,746.71 - Step 5: Solve for x
x = 29,177,034,746.71/206,526.12 - Step 6: Final answer
x = 141,275.28
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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.