Finding the Fourth Proportional to 202,283.11, 279,093.14 and 121,670.29
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Solution
The fourth proportional to 202,283.11, 279,093.14 and 121,670.29 is: 167,870.38
Step by Step Solution
- Step 1: Write the proportion equation
202,283.11 : 279,093.14 = 121,670.29 : x - Step 2: Convert to fraction form
202,283.11/279,093.14 = 121,670.29/x - Step 3: Cross multiply
202,283.11x = 279,093.14 × 121,670.29 - Step 4: Simplify right side
202,283.11x = 33,957,341,885.34 - Step 5: Solve for x
x = 33,957,341,885.34/202,283.11 - Step 6: Final answer
x = 167,870.38
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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.