Finding the Fourth Proportional to 235,302.14, 324,712.68 and 127,872.54
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Solution
The fourth proportional to 235,302.14, 324,712.68 and 127,872.54 is: 176,461.79
Step by Step Solution
- Step 1: Write the proportion equation
235,302.14 : 324,712.68 = 127,872.54 : x - Step 2: Convert to fraction form
235,302.14/324,712.68 = 127,872.54/x - Step 3: Cross multiply
235,302.14x = 324,712.68 × 127,872.54 - Step 4: Simplify right side
235,302.14x = 41,521,835,161.81 - Step 5: Solve for x
x = 41,521,835,161.81/235,302.14 - Step 6: Final answer
x = 176,461.79
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1.5x scale
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.