Finding the Fourth Proportional to 202,318.73, 279,028.43 and 121,731.19
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Solution
The fourth proportional to 202,318.73, 279,028.43 and 121,731.19 is: 167,885.90
Step by Step Solution
- Step 1: Write the proportion equation
202,318.73 : 279,028.43 = 121,731.19 : x - Step 2: Convert to fraction form
202,318.73/279,028.43 = 121,731.19/x - Step 3: Cross multiply
202,318.73x = 279,028.43 × 121,731.19 - Step 4: Simplify right side
202,318.73x = 33,966,462,827.73 - Step 5: Solve for x
x = 33,966,462,827.73/202,318.73 - Step 6: Final answer
x = 167,885.90
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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.