Finding the Fourth Proportional to 224,168.76, 309,348.86 and 122,195.09
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Solution
The fourth proportional to 224,168.76, 309,348.86 and 122,195.09 is: 168,627.02
Step by Step Solution
- Step 1: Write the proportion equation
224,168.76 : 309,348.86 = 122,195.09 : x - Step 2: Convert to fraction form
224,168.76/309,348.86 = 122,195.09/x - Step 3: Cross multiply
224,168.76x = 309,348.86 × 122,195.09 - Step 4: Simplify right side
224,168.76x = 37,800,909,631.38 - Step 5: Solve for x
x = 37,800,909,631.38/224,168.76 - Step 6: Final answer
x = 168,627.02
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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.