Finding the Fourth Proportional to 366,988.10, 550,482.15 and 255,013.70
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Solution
The fourth proportional to 366,988.10, 550,482.15 and 255,013.70 is: 382,520.55
Step by Step Solution
- Step 1: Write the proportion equation
366,988.10 : 550,482.15 = 255,013.70 : x - Step 2: Convert to fraction form
366,988.10/550,482.15 = 255,013.70/x - Step 3: Cross multiply
366,988.10x = 550,482.15 × 255,013.70 - Step 4: Simplify right side
366,988.10x = 140,380,489,855.46 - Step 5: Solve for x
x = 140,380,489,855.46/366,988.10 - Step 6: Final answer
x = 382,520.55
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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.