Finding the Fourth Proportional to 474,884.16, 711,195.45 and 274,782.84
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Solution
The fourth proportional to 474,884.16, 711,195.45 and 274,782.84 is: 411,519.95
Step by Step Solution
- Step 1: Write the proportion equation
474,884.16 : 711,195.45 = 274,782.84 : x - Step 2: Convert to fraction form
474,884.16/711,195.45 = 274,782.84/x - Step 3: Cross multiply
474,884.16x = 711,195.45 × 274,782.84 - Step 4: Simplify right side
474,884.16x = 195,424,305,546.08 - Step 5: Solve for x
x = 195,424,305,546.08/474,884.16 - Step 6: Final answer
x = 411,519.95
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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.