Finding the Fourth Proportional to 311,521.08, 468,257.02 and 205,585.79
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Solution
The fourth proportional to 311,521.08, 468,257.02 and 205,585.79 is: 309,022.40
Step by Step Solution
- Step 1: Write the proportion equation
311,521.08 : 468,257.02 = 205,585.79 : x - Step 2: Convert to fraction form
311,521.08/468,257.02 = 205,585.79/x - Step 3: Cross multiply
311,521.08x = 468,257.02 × 205,585.79 - Step 4: Simplify right side
311,521.08x = 96,266,989,379.75 - Step 5: Solve for x
x = 96,266,989,379.75/311,521.08 - Step 6: Final answer
x = 309,022.40
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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.