Finding the Fourth Proportional to 516,850.36, 775,278.78 and 161,837.08
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Solution
The fourth proportional to 516,850.36, 775,278.78 and 161,837.08 is: 242,756.63
Step by Step Solution
- Step 1: Write the proportion equation
516,850.36 : 775,278.78 = 161,837.08 : x - Step 2: Convert to fraction form
516,850.36/775,278.78 = 161,837.08/x - Step 3: Cross multiply
516,850.36x = 775,278.78 × 161,837.08 - Step 4: Simplify right side
516,850.36x = 125,468,853,941.16 - Step 5: Solve for x
x = 125,468,853,941.16/516,850.36 - Step 6: Final answer
x = 242,756.63
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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.