Finding the Fourth Proportional to 523,990.92, 786,139.47 and 168,997.08
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Solution
The fourth proportional to 523,990.92, 786,139.47 and 168,997.08 is: 253,544.99
Step by Step Solution
- Step 1: Write the proportion equation
523,990.92 : 786,139.47 = 168,997.08 : x - Step 2: Convert to fraction form
523,990.92/786,139.47 = 168,997.08/x - Step 3: Cross multiply
523,990.92x = 786,139.47 × 168,997.08 - Step 4: Simplify right side
523,990.92x = 132,855,274,902.75 - Step 5: Solve for x
x = 132,855,274,902.75/523,990.92 - Step 6: Final answer
x = 253,544.99
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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.