Finding the Fourth Proportional to 202,184.68, 278,992.30 and 117,285.32
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Solution
The fourth proportional to 202,184.68, 278,992.30 and 117,285.32 is: 161,840.66
Step by Step Solution
- Step 1: Write the proportion equation
202,184.68 : 278,992.30 = 117,285.32 : x - Step 2: Convert to fraction form
202,184.68/278,992.30 = 117,285.32/x - Step 3: Cross multiply
202,184.68x = 278,992.30 × 117,285.32 - Step 4: Simplify right side
202,184.68x = 32,721,701,183.04 - Step 5: Solve for x
x = 32,721,701,183.04/202,184.68 - Step 6: Final answer
x = 161,840.66
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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.