Finding the Fourth Proportional to 242,202.11, 363,305.19 and 84,430.31
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Solution
The fourth proportional to 242,202.11, 363,305.19 and 84,430.31 is: 126,646.17
Step by Step Solution
- Step 1: Write the proportion equation
242,202.11 : 363,305.19 = 84,430.31 : x - Step 2: Convert to fraction form
242,202.11/363,305.19 = 84,430.31/x - Step 3: Cross multiply
242,202.11x = 363,305.19 × 84,430.31 - Step 4: Simplify right side
242,202.11x = 30,673,969,816.31 - Step 5: Solve for x
x = 30,673,969,816.31/242,202.11 - Step 6: Final answer
x = 126,646.17
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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.