Finding the Fourth Proportional to 268,383.38, 402,641.04 and 133,511.09
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Solution
The fourth proportional to 268,383.38, 402,641.04 and 133,511.09 is: 200,299.45
Step by Step Solution
- Step 1: Write the proportion equation
268,383.38 : 402,641.04 = 133,511.09 : x - Step 2: Convert to fraction form
268,383.38/402,641.04 = 133,511.09/x - Step 3: Cross multiply
268,383.38x = 402,641.04 × 133,511.09 - Step 4: Simplify right side
268,383.38x = 53,757,044,129.13 - Step 5: Solve for x
x = 53,757,044,129.13/268,383.38 - Step 6: Final answer
x = 200,299.45
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1.5x scale
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.