Finding the Fourth Proportional to 224,554.32, 309,879.96 and 122,581.68
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Solution
The fourth proportional to 224,554.32, 309,879.96 and 122,581.68 is: 169,159.99
Step by Step Solution
- Step 1: Write the proportion equation
224,554.32 : 309,879.96 = 122,581.68 : x - Step 2: Convert to fraction form
224,554.32/309,879.96 = 122,581.68/x - Step 3: Cross multiply
224,554.32x = 309,879.96 × 122,581.68 - Step 4: Simplify right side
224,554.32x = 37,985,606,095.13 - Step 5: Solve for x
x = 37,985,606,095.13/224,554.32 - Step 6: Final answer
x = 169,159.99
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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.