Finding the Fourth Proportional to 122,531.64, 168,568.68 and 117,282.84
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Solution
The fourth proportional to 122,531.64, 168,568.68 and 117,282.84 is: 161,347.82
Step by Step Solution
- Step 1: Write the proportion equation
122,531.64 : 168,568.68 = 117,282.84 : x - Step 2: Convert to fraction form
122,531.64/168,568.68 = 117,282.84/x - Step 3: Cross multiply
122,531.64x = 168,568.68 × 117,282.84 - Step 4: Simplify right side
122,531.64x = 19,770,213,525.45 - Step 5: Solve for x
x = 19,770,213,525.45/122,531.64 - Step 6: Final answer
x = 161,347.82
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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.