Finding the Fourth Proportional to 223,062.41, 307,828.36 and 121,088.68
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Solution
The fourth proportional to 223,062.41, 307,828.36 and 121,088.68 is: 167,103.59
Step by Step Solution
- Step 1: Write the proportion equation
223,062.41 : 307,828.36 = 121,088.68 : x - Step 2: Convert to fraction form
223,062.41/307,828.36 = 121,088.68/x - Step 3: Cross multiply
223,062.41x = 307,828.36 × 121,088.68 - Step 4: Simplify right side
223,062.41x = 37,274,529,778.96 - Step 5: Solve for x
x = 37,274,529,778.96/223,062.41 - Step 6: Final answer
x = 167,103.59
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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.