Finding the Fourth Proportional to 729,543.75, 1,094,320.49 and 230,907.75
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Solution
The fourth proportional to 729,543.75, 1,094,320.49 and 230,907.75 is: 346,363.16
Step by Step Solution
- Step 1: Write the proportion equation
729,543.75 : 1,094,320.49 = 230,907.75 : x - Step 2: Convert to fraction form
729,543.75/1,094,320.49 = 230,907.75/x - Step 3: Cross multiply
729,543.75x = 1,094,320.49 × 230,907.75 - Step 4: Simplify right side
729,543.75x = 252,687,082,124.80 - Step 5: Solve for x
x = 252,687,082,124.80/729,543.75 - Step 6: Final answer
x = 346,363.16
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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.