Finding the Fourth Proportional to 153,662.07, 212,056.29 and 84,759.48
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Solution
The fourth proportional to 153,662.07, 212,056.29 and 84,759.48 is: 116,969.53
Step by Step Solution
- Step 1: Write the proportion equation
153,662.07 : 212,056.29 = 84,759.48 : x - Step 2: Convert to fraction form
153,662.07/212,056.29 = 84,759.48/x - Step 3: Cross multiply
153,662.07x = 212,056.29 × 84,759.48 - Step 4: Simplify right side
153,662.07x = 17,973,780,871.13 - Step 5: Solve for x
x = 17,973,780,871.13/153,662.07 - Step 6: Final answer
x = 116,969.53
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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.