Finding the Fourth Proportional to 224,163.42, 309,340.90 and 122,187.99
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Solution
The fourth proportional to 224,163.42, 309,340.90 and 122,187.99 is: 168,616.91
Step by Step Solution
- Step 1: Write the proportion equation
224,163.42 : 309,340.90 = 122,187.99 : x - Step 2: Convert to fraction form
224,163.42/309,340.90 = 122,187.99/x - Step 3: Cross multiply
224,163.42x = 309,340.90 × 122,187.99 - Step 4: Simplify right side
224,163.42x = 37,797,742,795.79 - Step 5: Solve for x
x = 37,797,742,795.79/224,163.42 - Step 6: Final answer
x = 168,616.91
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.