Finding the Fourth Proportional to 561,687.65, 775,128.99 and 303,563.84
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Solution
The fourth proportional to 561,687.65, 775,128.99 and 303,563.84 is: 418,918.11
Step by Step Solution
- Step 1: Write the proportion equation
561,687.65 : 775,128.99 = 303,563.84 : x - Step 2: Convert to fraction form
561,687.65/775,128.99 = 303,563.84/x - Step 3: Cross multiply
561,687.65x = 775,128.99 × 303,563.84 - Step 4: Simplify right side
561,687.65x = 235,301,129,962.44 - Step 5: Solve for x
x = 235,301,129,962.44/561,687.65 - Step 6: Final answer
x = 418,918.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.