Finding the Fourth Proportional to 224,163.39, 309,343.44 and 122,188.84
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Solution
The fourth proportional to 224,163.39, 309,343.44 and 122,188.84 is: 168,619.49
Step by Step Solution
- Step 1: Write the proportion equation
224,163.39 : 309,343.44 = 122,188.84 : x - Step 2: Convert to fraction form
224,163.39/309,343.44 = 122,188.84/x - Step 3: Cross multiply
224,163.39x = 309,343.44 × 122,188.84 - Step 4: Simplify right side
224,163.39x = 37,798,316,095.21 - Step 5: Solve for x
x = 37,798,316,095.21/224,163.39 - Step 6: Final answer
x = 168,619.49
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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.