Finding the Fourth Proportional to 264,643.20, 396,964.80 and 202,435.20
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Solution
The fourth proportional to 264,643.20, 396,964.80 and 202,435.20 is: 303,652.80
Step by Step Solution
- Step 1: Write the proportion equation
264,643.20 : 396,964.80 = 202,435.20 : x - Step 2: Convert to fraction form
264,643.20/396,964.80 = 202,435.20/x - Step 3: Cross multiply
264,643.20x = 396,964.80 × 202,435.20 - Step 4: Simplify right side
264,643.20x = 80,359,648,680.96 - Step 5: Solve for x
x = 80,359,648,680.96/264,643.20 - Step 6: Final answer
x = 303,652.80
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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.