Finding the Fourth Proportional to 345,961.68, 477,429.96 and 202,725.84
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Solution
The fourth proportional to 345,961.68, 477,429.96 and 202,725.84 is: 279,763.32
Step by Step Solution
- Step 1: Write the proportion equation
345,961.68 : 477,429.96 = 202,725.84 : x - Step 2: Convert to fraction form
345,961.68/477,429.96 = 202,725.84/x - Step 3: Cross multiply
345,961.68x = 477,429.96 × 202,725.84 - Step 4: Simplify right side
345,961.68x = 96,787,389,682.17 - Step 5: Solve for x
x = 96,787,389,682.17/345,961.68 - Step 6: Final answer
x = 279,763.32
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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.