Finding the Fourth Proportional to 209,296.98, 288,828.41 and 113,803.74
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Solution
The fourth proportional to 209,296.98, 288,828.41 and 113,803.74 is: 157,048.39
Step by Step Solution
- Step 1: Write the proportion equation
209,296.98 : 288,828.41 = 113,803.74 : x - Step 2: Convert to fraction form
209,296.98/288,828.41 = 113,803.74/x - Step 3: Cross multiply
209,296.98x = 288,828.41 × 113,803.74 - Step 4: Simplify right side
209,296.98x = 32,869,752,707.23 - Step 5: Solve for x
x = 32,869,752,707.23/209,296.98 - Step 6: Final answer
x = 157,048.39
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1.5x scale
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.