Finding the Fourth Proportional to 216,961.84, 299,418.60 and 121,462.84
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Solution
The fourth proportional to 216,961.84, 299,418.60 and 121,462.84 is: 167,625.02
Step by Step Solution
- Step 1: Write the proportion equation
216,961.84 : 299,418.60 = 121,462.84 : x - Step 2: Convert to fraction form
216,961.84/299,418.60 = 121,462.84/x - Step 3: Cross multiply
216,961.84x = 299,418.60 × 121,462.84 - Step 4: Simplify right side
216,961.84x = 36,368,233,504.82 - Step 5: Solve for x
x = 36,368,233,504.82/216,961.84 - Step 6: Final answer
x = 167,625.02
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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.