Finding the Fourth Proportional to 216,485.97, 298,765.26 and 125,841.65
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Solution
The fourth proportional to 216,485.97, 298,765.26 and 125,841.65 is: 173,669.98
Step by Step Solution
- Step 1: Write the proportion equation
216,485.97 : 298,765.26 = 125,841.65 : x - Step 2: Convert to fraction form
216,485.97/298,765.26 = 125,841.65/x - Step 3: Cross multiply
216,485.97x = 298,765.26 × 125,841.65 - Step 4: Simplify right side
216,485.97x = 37,597,113,281.08 - Step 5: Solve for x
x = 37,597,113,281.08/216,485.97 - Step 6: Final answer
x = 173,669.98
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1.5x scale
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.