Finding the Fourth Proportional to 209,929.08, 315,015.57 and 88,340.67
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Solution
The fourth proportional to 209,929.08, 315,015.57 and 88,340.67 is: 132,562.32
Step by Step Solution
- Step 1: Write the proportion equation
209,929.08 : 315,015.57 = 88,340.67 : x - Step 2: Convert to fraction form
209,929.08/315,015.57 = 88,340.67/x - Step 3: Cross multiply
209,929.08x = 315,015.57 × 88,340.67 - Step 4: Simplify right side
209,929.08x = 27,828,686,514.23 - Step 5: Solve for x
x = 27,828,686,514.23/209,929.08 - Step 6: Final answer
x = 132,562.32
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1.5x scale
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.