Finding the Fourth Proportional to 209,349.24, 288,899.16 and 113,853.88
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Solution
The fourth proportional to 209,349.24, 288,899.16 and 113,853.88 is: 157,116.84
Step by Step Solution
- Step 1: Write the proportion equation
209,349.24 : 288,899.16 = 113,853.88 : x - Step 2: Convert to fraction form
209,349.24/288,899.16 = 113,853.88/x - Step 3: Cross multiply
209,349.24x = 288,899.16 × 113,853.88 - Step 4: Simplify right side
209,349.24x = 32,892,290,294.74 - Step 5: Solve for x
x = 32,892,290,294.74/209,349.24 - Step 6: Final answer
x = 157,116.84
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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.