Finding the Fourth Proportional to 271,789.35, 407,591.74 and 103,269.18
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Solution
The fourth proportional to 271,789.35, 407,591.74 and 103,269.18 is: 154,868.71
Step by Step Solution
- Step 1: Write the proportion equation
271,789.35 : 407,591.74 = 103,269.18 : x - Step 2: Convert to fraction form
271,789.35/407,591.74 = 103,269.18/x - Step 3: Cross multiply
271,789.35x = 407,591.74 × 103,269.18 - Step 4: Simplify right side
271,789.35x = 42,091,664,764.57 - Step 5: Solve for x
x = 42,091,664,764.57/271,789.35 - Step 6: Final answer
x = 154,868.71
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.