Finding the Fourth Proportional to 362,655.18, 543,982.86 and 137,963.70
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Solution
The fourth proportional to 362,655.18, 543,982.86 and 137,963.70 is: 206,945.58
Step by Step Solution
- Step 1: Write the proportion equation
362,655.18 : 543,982.86 = 137,963.70 : x - Step 2: Convert to fraction form
362,655.18/543,982.86 = 137,963.70/x - Step 3: Cross multiply
362,655.18x = 543,982.86 × 137,963.70 - Step 4: Simplify right side
362,655.18x = 75,049,888,102.18 - Step 5: Solve for x
x = 75,049,888,102.18/362,655.18 - Step 6: Final answer
x = 206,945.58
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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.