Finding the Fourth Proportional to 643,589.46, 965,540.26 and 194,283.48
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Solution
The fourth proportional to 643,589.46, 965,540.26 and 194,283.48 is: 291,472.33
Step by Step Solution
- Step 1: Write the proportion equation
643,589.46 : 965,540.26 = 194,283.48 : x - Step 2: Convert to fraction form
643,589.46/965,540.26 = 194,283.48/x - Step 3: Cross multiply
643,589.46x = 965,540.26 × 194,283.48 - Step 4: Simplify right side
643,589.46x = 187,588,521,792.91 - Step 5: Solve for x
x = 187,588,521,792.91/643,589.46 - Step 6: Final answer
x = 291,472.33
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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.