Finding the Fourth Proportional to 311,888.29, 467,653.36 and 122,126.48
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Solution
The fourth proportional to 311,888.29, 467,653.36 and 122,126.48 is: 183,119.60
Step by Step Solution
- Step 1: Write the proportion equation
311,888.29 : 467,653.36 = 122,126.48 : x - Step 2: Convert to fraction form
311,888.29/467,653.36 = 122,126.48/x - Step 3: Cross multiply
311,888.29x = 467,653.36 × 122,126.48 - Step 4: Simplify right side
311,888.29x = 57,112,858,106.34 - Step 5: Solve for x
x = 57,112,858,106.34/311,888.29 - Step 6: Final answer
x = 183,119.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.