Finding the Fourth Proportional to 474,471.23, 711,706.84 and 193,922.87
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Solution
The fourth proportional to 474,471.23, 711,706.84 and 193,922.87 is: 290,884.30
Step by Step Solution
- Step 1: Write the proportion equation
474,471.23 : 711,706.84 = 193,922.87 : x - Step 2: Convert to fraction form
474,471.23/711,706.84 = 193,922.87/x - Step 3: Cross multiply
474,471.23x = 711,706.84 × 193,922.87 - Step 4: Simplify right side
474,471.23x = 138,016,228,968.09 - Step 5: Solve for x
x = 138,016,228,968.09/474,471.23 - Step 6: Final answer
x = 290,884.30
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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.