Finding the Fourth Proportional to 269,239.38, 403,863.29 and 79,718.98
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Solution
The fourth proportional to 269,239.38, 403,863.29 and 79,718.98 is: 119,579.72
Step by Step Solution
- Step 1: Write the proportion equation
269,239.38 : 403,863.29 = 79,718.98 : x - Step 2: Convert to fraction form
269,239.38/403,863.29 = 79,718.98/x - Step 3: Cross multiply
269,239.38x = 403,863.29 × 79,718.98 - Step 4: Simplify right side
269,239.38x = 32,195,569,538.24 - Step 5: Solve for x
x = 32,195,569,538.24/269,239.38 - Step 6: Final answer
x = 119,579.72
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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.