Finding the Fourth Proportional to 202,582.80, 279,507.36 and 116,537.28
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Solution
The fourth proportional to 202,582.80, 279,507.36 and 116,537.28 is: 160,788.71
Step by Step Solution
- Step 1: Write the proportion equation
202,582.80 : 279,507.36 = 116,537.28 : x - Step 2: Convert to fraction form
202,582.80/279,507.36 = 116,537.28/x - Step 3: Cross multiply
202,582.80x = 279,507.36 × 116,537.28 - Step 4: Simplify right side
202,582.80x = 32,573,027,474.38 - Step 5: Solve for x
x = 32,573,027,474.38/202,582.80 - Step 6: Final answer
x = 160,788.71
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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.