Finding the Fourth Proportional to 235,308.84, 324,728.74 and 127,880.68
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Solution
The fourth proportional to 235,308.84, 324,728.74 and 127,880.68 is: 176,476.72
Step by Step Solution
- Step 1: Write the proportion equation
235,308.84 : 324,728.74 = 127,880.68 : x - Step 2: Convert to fraction form
235,308.84/324,728.74 = 127,880.68/x - Step 3: Cross multiply
235,308.84x = 324,728.74 × 127,880.68 - Step 4: Simplify right side
235,308.84x = 41,526,532,086.74 - Step 5: Solve for x
x = 41,526,532,086.74/235,308.84 - Step 6: Final answer
x = 176,476.72
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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.