Finding the Fourth Proportional to 264,791.20, 396,927.60 and 106,808.80
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Solution
The fourth proportional to 264,791.20, 396,927.60 and 106,808.80 is: 160,108.65
Step by Step Solution
- Step 1: Write the proportion equation
264,791.20 : 396,927.60 = 106,808.80 : x - Step 2: Convert to fraction form
264,791.20/396,927.60 = 106,808.80/x - Step 3: Cross multiply
264,791.20x = 396,927.60 × 106,808.80 - Step 4: Simplify right side
264,791.20x = 42,395,360,642.88 - Step 5: Solve for x
x = 42,395,360,642.88/264,791.20 - Step 6: Final answer
x = 160,108.65
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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.