Finding the Fourth Proportional to 268,908.52, 403,451.10 and 135,725.80
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Solution
The fourth proportional to 268,908.52, 403,451.10 and 135,725.80 is: 203,633.28
Step by Step Solution
- Step 1: Write the proportion equation
268,908.52 : 403,451.10 = 135,725.80 : x - Step 2: Convert to fraction form
268,908.52/403,451.10 = 135,725.80/x - Step 3: Cross multiply
268,908.52x = 403,451.10 × 135,725.80 - Step 4: Simplify right side
268,908.52x = 54,758,723,308.38 - Step 5: Solve for x
x = 54,758,723,308.38/268,908.52 - Step 6: Final answer
x = 203,633.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.