Finding the Fourth Proportional to 363,938.60, 502,228.49 and 202,790.23
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Solution
The fourth proportional to 363,938.60, 502,228.49 and 202,790.23 is: 279,846.73
Step by Step Solution
- Step 1: Write the proportion equation
363,938.60 : 502,228.49 = 202,790.23 : x - Step 2: Convert to fraction form
363,938.60/502,228.49 = 202,790.23/x - Step 3: Cross multiply
363,938.60x = 502,228.49 × 202,790.23 - Step 4: Simplify right side
363,938.60x = 101,847,028,730.13 - Step 5: Solve for x
x = 101,847,028,730.13/363,938.60 - Step 6: Final answer
x = 279,846.73
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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.