Finding the Fourth Proportional to 209,263.42, 288,782.10 and 113,770.12
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Solution
The fourth proportional to 209,263.42, 288,782.10 and 113,770.12 is: 157,001.99
Step by Step Solution
- Step 1: Write the proportion equation
209,263.42 : 288,782.10 = 113,770.12 : x - Step 2: Convert to fraction form
209,263.42/288,782.10 = 113,770.12/x - Step 3: Cross multiply
209,263.42x = 288,782.10 × 113,770.12 - Step 4: Simplify right side
209,263.42x = 32,854,772,442.52 - Step 5: Solve for x
x = 32,854,772,442.52/209,263.42 - Step 6: Final answer
x = 157,001.99
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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.