Finding the Fourth Proportional to 363,803.16, 502,057.14 and 202,660.80
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Solution
The fourth proportional to 363,803.16, 502,057.14 and 202,660.80 is: 279,676.79
Step by Step Solution
- Step 1: Write the proportion equation
363,803.16 : 502,057.14 = 202,660.80 : x - Step 2: Convert to fraction form
363,803.16/502,057.14 = 202,660.80/x - Step 3: Cross multiply
363,803.16x = 502,057.14 × 202,660.80 - Step 4: Simplify right side
363,803.16x = 101,747,301,638.11 - Step 5: Solve for x
x = 101,747,301,638.11/363,803.16 - Step 6: Final answer
x = 279,676.79
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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.