Finding the Fourth Proportional to 216,745.03, 299,101.19 and 121,249.67
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Solution
The fourth proportional to 216,745.03, 299,101.19 and 121,249.67 is: 167,320.66
Step by Step Solution
- Step 1: Write the proportion equation
216,745.03 : 299,101.19 = 121,249.67 : x - Step 2: Convert to fraction form
216,745.03/299,101.19 = 121,249.67/x - Step 3: Cross multiply
216,745.03x = 299,101.19 × 121,249.67 - Step 4: Simplify right side
216,745.03x = 36,265,921,634.98 - Step 5: Solve for x
x = 36,265,921,634.98/216,745.03 - Step 6: Final answer
x = 167,320.66
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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.