Finding the Fourth Proportional to 218,785.04, 328,232.91 and 61,013.49
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Solution
The fourth proportional to 218,785.04, 328,232.91 and 61,013.49 is: 91,535.67
Step by Step Solution
- Step 1: Write the proportion equation
218,785.04 : 328,232.91 = 61,013.49 : x - Step 2: Convert to fraction form
218,785.04/328,232.91 = 61,013.49/x - Step 3: Cross multiply
218,785.04x = 328,232.91 × 61,013.49 - Step 4: Simplify right side
218,785.04x = 20,026,635,371.96 - Step 5: Solve for x
x = 20,026,635,371.96/218,785.04 - Step 6: Final answer
x = 91,535.67
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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.