Finding the Fourth Proportional to 202,959.20, 304,438.80 and 53,199.20
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Solution
The fourth proportional to 202,959.20, 304,438.80 and 53,199.20 is: 79,798.80
Step by Step Solution
- Step 1: Write the proportion equation
202,959.20 : 304,438.80 = 53,199.20 : x - Step 2: Convert to fraction form
202,959.20/304,438.80 = 53,199.20/x - Step 3: Cross multiply
202,959.20x = 304,438.80 × 53,199.20 - Step 4: Simplify right side
202,959.20x = 16,195,900,608.96 - Step 5: Solve for x
x = 16,195,900,608.96/202,959.20 - Step 6: Final answer
x = 79,798.80
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1.5x scale
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.