Finding the Fourth Proportional to 362,197.20, 543,368.70 and 303,439.80
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Solution
The fourth proportional to 362,197.20, 543,368.70 and 303,439.80 is: 455,220.77
Step by Step Solution
- Step 1: Write the proportion equation
362,197.20 : 543,368.70 = 303,439.80 : x - Step 2: Convert to fraction form
362,197.20/543,368.70 = 303,439.80/x - Step 3: Cross multiply
362,197.20x = 543,368.70 × 303,439.80 - Step 4: Simplify right side
362,197.20x = 164,879,689,654.26 - Step 5: Solve for x
x = 164,879,689,654.26/362,197.20 - Step 6: Final answer
x = 455,220.77
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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.