Finding the Fourth Proportional to 224,287.29, 309,512.61 and 122,312.94
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Solution
The fourth proportional to 224,287.29, 309,512.61 and 122,312.94 is: 168,789.76
Step by Step Solution
- Step 1: Write the proportion equation
224,287.29 : 309,512.61 = 122,312.94 : x - Step 2: Convert to fraction form
224,287.29/309,512.61 = 122,312.94/x - Step 3: Cross multiply
224,287.29x = 309,512.61 × 122,312.94 - Step 4: Simplify right side
224,287.29x = 37,857,397,296.17 - Step 5: Solve for x
x = 37,857,397,296.17/224,287.29 - Step 6: Final answer
x = 168,789.76
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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.