Finding the Fourth Proportional to 385,533.12, 532,014.84 and 215,734.44
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Solution
The fourth proportional to 385,533.12, 532,014.84 and 215,734.44 is: 297,701.85
Step by Step Solution
- Step 1: Write the proportion equation
385,533.12 : 532,014.84 = 215,734.44 : x - Step 2: Convert to fraction form
385,533.12/532,014.84 = 215,734.44/x - Step 3: Cross multiply
385,533.12x = 532,014.84 × 215,734.44 - Step 4: Simplify right side
385,533.12x = 114,773,923,579.09 - Step 5: Solve for x
x = 114,773,923,579.09/385,533.12 - Step 6: Final answer
x = 297,701.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.