Finding the Fourth Proportional to 355,807.26, 490,866.21 and 233,266.14
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Solution
The fourth proportional to 355,807.26, 490,866.21 and 233,266.14 is: 321,810.37
Step by Step Solution
- Step 1: Write the proportion equation
355,807.26 : 490,866.21 = 233,266.14 : x - Step 2: Convert to fraction form
355,807.26/490,866.21 = 233,266.14/x - Step 3: Cross multiply
355,807.26x = 490,866.21 × 233,266.14 - Step 4: Simplify right side
355,807.26x = 114,502,466,063.13 - Step 5: Solve for x
x = 114,502,466,063.13/355,807.26 - Step 6: Final answer
x = 321,810.37
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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.