Finding the Fourth Proportional to 218,786.52, 328,235.16 and 61,014.99
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Solution
The fourth proportional to 218,786.52, 328,235.16 and 61,014.99 is: 91,537.93
Step by Step Solution
- Step 1: Write the proportion equation
218,786.52 : 328,235.16 = 61,014.99 : x - Step 2: Convert to fraction form
218,786.52/328,235.16 = 61,014.99/x - Step 3: Cross multiply
218,786.52x = 328,235.16 × 61,014.99 - Step 4: Simplify right side
218,786.52x = 20,027,265,005.05 - Step 5: Solve for x
x = 20,027,265,005.05/218,786.52 - Step 6: Final answer
x = 91,537.93
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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.