Finding the Fourth Proportional to 416,359.53, 574,576.47 and 225,372.33
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Solution
The fourth proportional to 416,359.53, 574,576.47 and 225,372.33 is: 311,013.99
Step by Step Solution
- Step 1: Write the proportion equation
416,359.53 : 574,576.47 = 225,372.33 : x - Step 2: Convert to fraction form
416,359.53/574,576.47 = 225,372.33/x - Step 3: Cross multiply
416,359.53x = 574,576.47 × 225,372.33 - Step 4: Simplify right side
416,359.53x = 129,493,637,807.08 - Step 5: Solve for x
x = 129,493,637,807.08/416,359.53 - Step 6: Final answer
x = 311,013.99
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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.