Finding the Fourth Proportional to 216,730.95, 325,189.46 and 83,704.63
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Solution
The fourth proportional to 216,730.95, 325,189.46 and 83,704.63 is: 125,592.88
Step by Step Solution
- Step 1: Write the proportion equation
216,730.95 : 325,189.46 = 83,704.63 : x - Step 2: Convert to fraction form
216,730.95/325,189.46 = 83,704.63/x - Step 3: Cross multiply
216,730.95x = 325,189.46 × 83,704.63 - Step 4: Simplify right side
216,730.95x = 27,219,863,435.22 - Step 5: Solve for x
x = 27,219,863,435.22/216,730.95 - Step 6: Final answer
x = 125,592.88
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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.