Finding the Fourth Proportional to 755,647.70, 1,133,471.55 and 194,682.20
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Solution
The fourth proportional to 755,647.70, 1,133,471.55 and 194,682.20 is: 292,023.30
Step by Step Solution
- Step 1: Write the proportion equation
755,647.70 : 1,133,471.55 = 194,682.20 : x - Step 2: Convert to fraction form
755,647.70/1,133,471.55 = 194,682.20/x - Step 3: Cross multiply
755,647.70x = 1,133,471.55 × 194,682.20 - Step 4: Simplify right side
755,647.70x = 220,666,734,991.41 - Step 5: Solve for x
x = 220,666,734,991.41/755,647.70 - Step 6: Final answer
x = 292,023.30
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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.