Finding the Fourth Proportional to 365,464.80, 548,197.20 and 253,271.70
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Solution
The fourth proportional to 365,464.80, 548,197.20 and 253,271.70 is: 379,907.55
Step by Step Solution
- Step 1: Write the proportion equation
365,464.80 : 548,197.20 = 253,271.70 : x - Step 2: Convert to fraction form
365,464.80/548,197.20 = 253,271.70/x - Step 3: Cross multiply
365,464.80x = 548,197.20 × 253,271.70 - Step 4: Simplify right side
365,464.80x = 138,842,836,779.24 - Step 5: Solve for x
x = 138,842,836,779.24/365,464.80 - Step 6: Final answer
x = 379,907.55
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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.