Finding the Fourth Proportional to 207,596.81, 286,504.76 and 127,077.54
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Solution
The fourth proportional to 207,596.81, 286,504.76 and 127,077.54 is: 175,379.96
Step by Step Solution
- Step 1: Write the proportion equation
207,596.81 : 286,504.76 = 127,077.54 : x - Step 2: Convert to fraction form
207,596.81/286,504.76 = 127,077.54/x - Step 3: Cross multiply
207,596.81x = 286,504.76 × 127,077.54 - Step 4: Simplify right side
207,596.81x = 36,408,320,099.09 - Step 5: Solve for x
x = 36,408,320,099.09/207,596.81 - Step 6: Final answer
x = 175,379.96
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1.5x scale
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.