Finding the Fourth Proportional to 888,115.99, 1,332,338.33 and 281,057.09
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Solution
The fourth proportional to 888,115.99, 1,332,338.33 and 281,057.09 is: 421,637.64
Step by Step Solution
- Step 1: Write the proportion equation
888,115.99 : 1,332,338.33 = 281,057.09 : x - Step 2: Convert to fraction form
888,115.99/1,332,338.33 = 281,057.09/x - Step 3: Cross multiply
888,115.99x = 1,332,338.33 × 281,057.09 - Step 4: Simplify right side
888,115.99x = 374,463,133,925.26 - Step 5: Solve for x
x = 374,463,133,925.26/888,115.99 - Step 6: Final answer
x = 421,637.64
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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.