Finding the Fourth Proportional to 218,820.61, 328,286.27 and 61,048.99
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Solution
The fourth proportional to 218,820.61, 328,286.27 and 61,048.99 is: 91,588.93
Step by Step Solution
- Step 1: Write the proportion equation
218,820.61 : 328,286.27 = 61,048.99 : x - Step 2: Convert to fraction form
218,820.61/328,286.27 = 61,048.99/x - Step 3: Cross multiply
218,820.61x = 328,286.27 × 61,048.99 - Step 4: Simplify right side
218,820.61x = 20,041,545,214.37 - Step 5: Solve for x
x = 20,041,545,214.37/218,820.61 - Step 6: Final answer
x = 91,588.93
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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.