Finding the Fourth Proportional to 199,585.65, 299,378.48 and 132,226.05
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Solution
The fourth proportional to 199,585.65, 299,378.48 and 132,226.05 is: 198,339.08
Step by Step Solution
- Step 1: Write the proportion equation
199,585.65 : 299,378.48 = 132,226.05 : x - Step 2: Convert to fraction form
199,585.65/299,378.48 = 132,226.05/x - Step 3: Cross multiply
199,585.65x = 299,378.48 × 132,226.05 - Step 4: Simplify right side
199,585.65x = 39,585,633,204.27 - Step 5: Solve for x
x = 39,585,633,204.27/199,585.65 - Step 6: Final answer
x = 198,339.08
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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.