Finding the Fourth Proportional to 347,695.44, 479,894.58 and 211,774.20
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Solution
The fourth proportional to 347,695.44, 479,894.58 and 211,774.20 is: 292,294.00
Step by Step Solution
- Step 1: Write the proportion equation
347,695.44 : 479,894.58 = 211,774.20 : x - Step 2: Convert to fraction form
347,695.44/479,894.58 = 211,774.20/x - Step 3: Cross multiply
347,695.44x = 479,894.58 × 211,774.20 - Step 4: Simplify right side
347,695.44x = 101,629,290,763.84 - Step 5: Solve for x
x = 101,629,290,763.84/347,695.44 - Step 6: Final answer
x = 292,294.00
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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.