Finding the Fourth Proportional to 347,199.76, 479,139.44 and 203,965.84
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Solution
The fourth proportional to 347,199.76, 479,139.44 and 203,965.84 is: 281,475.07
Step by Step Solution
- Step 1: Write the proportion equation
347,199.76 : 479,139.44 = 203,965.84 : x - Step 2: Convert to fraction form
347,199.76/479,139.44 = 203,965.84/x - Step 3: Cross multiply
347,199.76x = 479,139.44 × 203,965.84 - Step 4: Simplify right side
347,199.76x = 97,728,078,356.73 - Step 5: Solve for x
x = 97,728,078,356.73/347,199.76 - Step 6: Final answer
x = 281,475.07
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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.