Finding the Fourth Proportional to 205,565.42, 283,767.73 and 125,018.82
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Solution
The fourth proportional to 205,565.42, 283,767.73 and 125,018.82 is: 172,579.15
Step by Step Solution
- Step 1: Write the proportion equation
205,565.42 : 283,767.73 = 125,018.82 : x - Step 2: Convert to fraction form
205,565.42/283,767.73 = 125,018.82/x - Step 3: Cross multiply
205,565.42x = 283,767.73 × 125,018.82 - Step 4: Simplify right side
205,565.42x = 35,476,306,446.13 - Step 5: Solve for x
x = 35,476,306,446.13/205,565.42 - Step 6: Final answer
x = 172,579.15
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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.