Finding the Fourth Proportional to 345,959.68, 477,427.20 and 202,723.84
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Solution
The fourth proportional to 345,959.68, 477,427.20 and 202,723.84 is: 279,760.56
Step by Step Solution
- Step 1: Write the proportion equation
345,959.68 : 477,427.20 = 202,723.84 : x - Step 2: Convert to fraction form
345,959.68/477,427.20 = 202,723.84/x - Step 3: Cross multiply
345,959.68x = 477,427.20 × 202,723.84 - Step 4: Simplify right side
345,959.68x = 96,785,875,304.45 - Step 5: Solve for x
x = 96,785,875,304.45/345,959.68 - Step 6: Final answer
x = 279,760.56
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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.