Finding the Fourth Proportional to 149,425.40, 206,207.13 and 84,894.75
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Solution
The fourth proportional to 149,425.40, 206,207.13 and 84,894.75 is: 117,154.80
Step by Step Solution
- Step 1: Write the proportion equation
149,425.40 : 206,207.13 = 84,894.75 : x - Step 2: Convert to fraction form
149,425.40/206,207.13 = 84,894.75/x - Step 3: Cross multiply
149,425.40x = 206,207.13 × 84,894.75 - Step 4: Simplify right side
149,425.40x = 17,505,903,238.52 - Step 5: Solve for x
x = 17,505,903,238.52/149,425.40 - Step 6: Final answer
x = 117,154.80
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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.