Finding the Fourth Proportional to 242,278.59, 363,420.97 and 84,507.05
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Solution
The fourth proportional to 242,278.59, 363,420.97 and 84,507.05 is: 126,761.64
Step by Step Solution
- Step 1: Write the proportion equation
242,278.59 : 363,420.97 = 84,507.05 : x - Step 2: Convert to fraction form
242,278.59/363,420.97 = 84,507.05/x - Step 3: Cross multiply
242,278.59x = 363,420.97 × 84,507.05 - Step 4: Simplify right side
242,278.59x = 30,711,632,617.04 - Step 5: Solve for x
x = 30,711,632,617.04/242,278.59 - Step 6: Final answer
x = 126,761.64
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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.