Finding the Fourth Proportional to 202,686.48, 279,732.99 and 117,787.14
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Solution
The fourth proportional to 202,686.48, 279,732.99 and 117,787.14 is: 162,561.16
Step by Step Solution
- Step 1: Write the proportion equation
202,686.48 : 279,732.99 = 117,787.14 : x - Step 2: Convert to fraction form
202,686.48/279,732.99 = 117,787.14/x - Step 3: Cross multiply
202,686.48x = 279,732.99 × 117,787.14 - Step 4: Simplify right side
202,686.48x = 32,948,948,855.75 - Step 5: Solve for x
x = 32,948,948,855.75/202,686.48 - Step 6: Final answer
x = 162,561.16
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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.