Finding the Fourth Proportional to 449,625.44, 620,211.66 and 296,609.28
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Solution
The fourth proportional to 449,625.44, 620,211.66 and 296,609.28 is: 409,141.74
Step by Step Solution
- Step 1: Write the proportion equation
449,625.44 : 620,211.66 = 296,609.28 : x - Step 2: Convert to fraction form
449,625.44/620,211.66 = 296,609.28/x - Step 3: Cross multiply
449,625.44x = 620,211.66 × 296,609.28 - Step 4: Simplify right side
449,625.44x = 183,960,533,920.21 - Step 5: Solve for x
x = 183,960,533,920.21/449,625.44 - Step 6: Final answer
x = 409,141.74
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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.