Finding the Fourth Proportional to 216,273.06, 298,453.68 and 120,781.08
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Solution
The fourth proportional to 216,273.06, 298,453.68 and 120,781.08 is: 166,676.14
Step by Step Solution
- Step 1: Write the proportion equation
216,273.06 : 298,453.68 = 120,781.08 : x - Step 2: Convert to fraction form
216,273.06/298,453.68 = 120,781.08/x - Step 3: Cross multiply
216,273.06x = 298,453.68 × 120,781.08 - Step 4: Simplify right side
216,273.06x = 36,047,557,800.37 - Step 5: Solve for x
x = 36,047,557,800.37/216,273.06 - Step 6: Final answer
x = 166,676.14
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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.