Finding the Fourth Proportional to 225,558.99, 338,337.87 and 100,812.51
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Solution
The fourth proportional to 225,558.99, 338,337.87 and 100,812.51 is: 151,218.49
Step by Step Solution
- Step 1: Write the proportion equation
225,558.99 : 338,337.87 = 100,812.51 : x - Step 2: Convert to fraction form
225,558.99/338,337.87 = 100,812.51/x - Step 3: Cross multiply
225,558.99x = 338,337.87 × 100,812.51 - Step 4: Simplify right side
225,558.99x = 34,108,689,902.75 - Step 5: Solve for x
x = 34,108,689,902.75/225,558.99 - Step 6: Final answer
x = 151,218.49
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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.