Finding the Fourth Proportional to 202,803.99, 279,858.48 and 112,154.66
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Solution
The fourth proportional to 202,803.99, 279,858.48 and 112,154.66 is: 154,767.33
Step by Step Solution
- Step 1: Write the proportion equation
202,803.99 : 279,858.48 = 112,154.66 : x - Step 2: Convert to fraction form
202,803.99/279,858.48 = 112,154.66/x - Step 3: Cross multiply
202,803.99x = 279,858.48 × 112,154.66 - Step 4: Simplify right side
202,803.99x = 31,387,431,273.22 - Step 5: Solve for x
x = 31,387,431,273.22/202,803.99 - Step 6: Final answer
x = 154,767.33
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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.