Finding the Fourth Proportional to 206,881.93, 310,322.43 and 55,079.05
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Solution
The fourth proportional to 206,881.93, 310,322.43 and 55,079.05 is: 82,618.45
Step by Step Solution
- Step 1: Write the proportion equation
206,881.93 : 310,322.43 = 55,079.05 : x - Step 2: Convert to fraction form
206,881.93/310,322.43 = 55,079.05/x - Step 3: Cross multiply
206,881.93x = 310,322.43 × 55,079.05 - Step 4: Simplify right side
206,881.93x = 17,092,264,638.09 - Step 5: Solve for x
x = 17,092,264,638.09/206,881.93 - Step 6: Final answer
x = 82,618.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.