Finding the Fourth Proportional to 307,944.99, 461,946.65 and 120,912.75
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Solution
The fourth proportional to 307,944.99, 461,946.65 and 120,912.75 is: 181,380.57
Step by Step Solution
- Step 1: Write the proportion equation
307,944.99 : 461,946.65 = 120,912.75 : x - Step 2: Convert to fraction form
307,944.99/461,946.65 = 120,912.75/x - Step 3: Cross multiply
307,944.99x = 461,946.65 × 120,912.75 - Step 4: Simplify right side
307,944.99x = 55,855,239,200.22 - Step 5: Solve for x
x = 55,855,239,200.22/307,944.99 - Step 6: Final answer
x = 181,380.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.