Finding the Fourth Proportional to 223,022.26, 307,771.06 and 121,047.76
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Solution
The fourth proportional to 223,022.26, 307,771.06 and 121,047.76 is: 167,046.09
Step by Step Solution
- Step 1: Write the proportion equation
223,022.26 : 307,771.06 = 121,047.76 : x - Step 2: Convert to fraction form
223,022.26/307,771.06 = 121,047.76/x - Step 3: Cross multiply
223,022.26x = 307,771.06 × 121,047.76 - Step 4: Simplify right side
223,022.26x = 37,254,995,689.41 - Step 5: Solve for x
x = 37,254,995,689.41/223,022.26 - Step 6: Final answer
x = 167,046.09
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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.