Finding the Fourth Proportional to 352,141.74, 485,942.49 and 208,816.02
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Solution
The fourth proportional to 352,141.74, 485,942.49 and 208,816.02 is: 288,158.33
Step by Step Solution
- Step 1: Write the proportion equation
352,141.74 : 485,942.49 = 208,816.02 : x - Step 2: Convert to fraction form
352,141.74/485,942.49 = 208,816.02/x - Step 3: Cross multiply
352,141.74x = 485,942.49 × 208,816.02 - Step 4: Simplify right side
352,141.74x = 101,472,576,710.69 - Step 5: Solve for x
x = 101,472,576,710.69/352,141.74 - Step 6: Final answer
x = 288,158.33
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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.