Finding the Fourth Proportional to 224,163.40, 309,336.18 and 122,186.62
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Solution
The fourth proportional to 224,163.40, 309,336.18 and 122,186.62 is: 168,612.46
Step by Step Solution
- Step 1: Write the proportion equation
224,163.40 : 309,336.18 = 122,186.62 : x - Step 2: Convert to fraction form
224,163.40/309,336.18 = 122,186.62/x - Step 3: Cross multiply
224,163.40x = 309,336.18 × 122,186.62 - Step 4: Simplify right side
224,163.40x = 37,796,742,277.91 - Step 5: Solve for x
x = 37,796,742,277.91/224,163.40 - Step 6: Final answer
x = 168,612.46
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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.