Finding the Fourth Proportional to 149,130.07, 205,799.49 and 82,062.07
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Solution
The fourth proportional to 149,130.07, 205,799.49 and 82,062.07 is: 113,245.65
Step by Step Solution
- Step 1: Write the proportion equation
149,130.07 : 205,799.49 = 82,062.07 : x - Step 2: Convert to fraction form
149,130.07/205,799.49 = 82,062.07/x - Step 3: Cross multiply
149,130.07x = 205,799.49 × 82,062.07 - Step 4: Simplify right side
149,130.07x = 16,888,332,154.34 - Step 5: Solve for x
x = 16,888,332,154.34/149,130.07 - Step 6: Final answer
x = 113,245.65
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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.