Finding the Fourth Proportional to 202,841.60, 279,828.28 and 131,244.96
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Solution
The fourth proportional to 202,841.60, 279,828.28 and 131,244.96 is: 181,057.79
Step by Step Solution
- Step 1: Write the proportion equation
202,841.60 : 279,828.28 = 131,244.96 : x - Step 2: Convert to fraction form
202,841.60/279,828.28 = 131,244.96/x - Step 3: Cross multiply
202,841.60x = 279,828.28 × 131,244.96 - Step 4: Simplify right side
202,841.60x = 36,726,051,415.47 - Step 5: Solve for x
x = 36,726,051,415.47/202,841.60 - Step 6: Final answer
x = 181,057.79
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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.