Finding the Fourth Proportional to 755,648.20, 1,133,472.30 and 194,682.70
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Solution
The fourth proportional to 755,648.20, 1,133,472.30 and 194,682.70 is: 292,024.05
Step by Step Solution
- Step 1: Write the proportion equation
755,648.20 : 1,133,472.30 = 194,682.70 : x - Step 2: Convert to fraction form
755,648.20/1,133,472.30 = 194,682.70/x - Step 3: Cross multiply
755,648.20x = 1,133,472.30 × 194,682.70 - Step 4: Simplify right side
755,648.20x = 220,667,447,739.21 - Step 5: Solve for x
x = 220,667,447,739.21/755,648.20 - Step 6: Final answer
x = 292,024.05
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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.