Finding the Fourth Proportional to 269,257.74, 403,961.45 and 117,468.09
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Solution
The fourth proportional to 269,257.74, 403,961.45 and 117,468.09 is: 176,234.78
Step by Step Solution
- Step 1: Write the proportion equation
269,257.74 : 403,961.45 = 117,468.09 : x - Step 2: Convert to fraction form
269,257.74/403,961.45 = 117,468.09/x - Step 3: Cross multiply
269,257.74x = 403,961.45 × 117,468.09 - Step 4: Simplify right side
269,257.74x = 47,452,579,377.79 - Step 5: Solve for x
x = 47,452,579,377.79/269,257.74 - Step 6: Final answer
x = 176,234.78
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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.