Finding the Fourth Proportional to 355,163.80, 532,292.10 and 144,563.80
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Solution
The fourth proportional to 355,163.80, 532,292.10 and 144,563.80 is: 216,661.07
Step by Step Solution
- Step 1: Write the proportion equation
355,163.80 : 532,292.10 = 144,563.80 : x - Step 2: Convert to fraction form
355,163.80/532,292.10 = 144,563.80/x - Step 3: Cross multiply
355,163.80x = 532,292.10 × 144,563.80 - Step 4: Simplify right side
355,163.80x = 76,950,168,685.98 - Step 5: Solve for x
x = 76,950,168,685.98/355,163.80 - Step 6: Final answer
x = 216,661.07
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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.