Finding the Fourth Proportional to 207,558.54, 286,452.36 and 127,039.68
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Solution
The fourth proportional to 207,558.54, 286,452.36 and 127,039.68 is: 175,327.96
Step by Step Solution
- Step 1: Write the proportion equation
207,558.54 : 286,452.36 = 127,039.68 : x - Step 2: Convert to fraction form
207,558.54/286,452.36 = 127,039.68/x - Step 3: Cross multiply
207,558.54x = 286,452.36 × 127,039.68 - Step 4: Simplify right side
207,558.54x = 36,390,816,149.64 - Step 5: Solve for x
x = 36,390,816,149.64/207,558.54 - Step 6: Final answer
x = 175,327.96
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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.