Finding the Fourth Proportional to 224,342.11, 309,593.09 and 122,369.76
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Solution
The fourth proportional to 224,342.11, 309,593.09 and 122,369.76 is: 168,870.80
Step by Step Solution
- Step 1: Write the proportion equation
224,342.11 : 309,593.09 = 122,369.76 : x - Step 2: Convert to fraction form
224,342.11/309,593.09 = 122,369.76/x - Step 3: Cross multiply
224,342.11x = 309,593.09 × 122,369.76 - Step 4: Simplify right side
224,342.11x = 37,884,832,609.28 - Step 5: Solve for x
x = 37,884,832,609.28/224,342.11 - Step 6: Final answer
x = 168,870.80
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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.