Finding the Fourth Proportional to 224,476.20, 309,767.49 and 122,499.09
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Solution
The fourth proportional to 224,476.20, 309,767.49 and 122,499.09 is: 169,043.47
Step by Step Solution
- Step 1: Write the proportion equation
224,476.20 : 309,767.49 = 122,499.09 : x - Step 2: Convert to fraction form
224,476.20/309,767.49 = 122,499.09/x - Step 3: Cross multiply
224,476.20x = 309,767.49 × 122,499.09 - Step 4: Simplify right side
224,476.20x = 37,946,235,636.58 - Step 5: Solve for x
x = 37,946,235,636.58/224,476.20 - Step 6: Final answer
x = 169,043.47
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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.