Finding the Fourth Proportional to 756,765.14, 1,135,147.71 and 258,133.46
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Solution
The fourth proportional to 756,765.14, 1,135,147.71 and 258,133.46 is: 387,200.19
Step by Step Solution
- Step 1: Write the proportion equation
756,765.14 : 1,135,147.71 = 258,133.46 : x - Step 2: Convert to fraction form
756,765.14/1,135,147.71 = 258,133.46/x - Step 3: Cross multiply
756,765.14x = 1,135,147.71 × 258,133.46 - Step 4: Simplify right side
756,765.14x = 293,019,605,993.38 - Step 5: Solve for x
x = 293,019,605,993.38/756,765.14 - Step 6: Final answer
x = 387,200.19
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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.