Finding the Fourth Proportional to 293,407.20, 440,110.80 and 194,911.20
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Solution
The fourth proportional to 293,407.20, 440,110.80 and 194,911.20 is: 292,366.80
Step by Step Solution
- Step 1: Write the proportion equation
293,407.20 : 440,110.80 = 194,911.20 : x - Step 2: Convert to fraction form
293,407.20/440,110.80 = 194,911.20/x - Step 3: Cross multiply
293,407.20x = 440,110.80 × 194,911.20 - Step 4: Simplify right side
293,407.20x = 85,782,524,160.96 - Step 5: Solve for x
x = 85,782,524,160.96/293,407.20 - Step 6: Final answer
x = 292,366.80
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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.