Finding the Fourth Proportional to 449,496.72, 620,324.33 and 258,510.26
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Solution
The fourth proportional to 449,496.72, 620,324.33 and 258,510.26 is: 356,754.99
Step by Step Solution
- Step 1: Write the proportion equation
449,496.72 : 620,324.33 = 258,510.26 : x - Step 2: Convert to fraction form
449,496.72/620,324.33 = 258,510.26/x - Step 3: Cross multiply
449,496.72x = 620,324.33 × 258,510.26 - Step 4: Simplify right side
449,496.72x = 160,360,199,438.45 - Step 5: Solve for x
x = 160,360,199,438.45/449,496.72 - Step 6: Final answer
x = 356,754.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.