Finding the Fourth Proportional to 696,861.99, 1,045,290.93 and 191,423.49
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Solution
The fourth proportional to 696,861.99, 1,045,290.93 and 191,423.49 is: 287,134.67
Step by Step Solution
- Step 1: Write the proportion equation
696,861.99 : 1,045,290.93 = 191,423.49 : x - Step 2: Convert to fraction form
696,861.99/1,045,290.93 = 191,423.49/x - Step 3: Cross multiply
696,861.99x = 1,045,290.93 × 191,423.49 - Step 4: Simplify right side
696,861.99x = 200,093,234,325.02 - Step 5: Solve for x
x = 200,093,234,325.02/696,861.99 - Step 6: Final answer
x = 287,134.67
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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.