Finding the Fourth Proportional to 449,372.57, 620,138.36 and 255,770.82
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Solution
The fourth proportional to 449,372.57, 620,138.36 and 255,770.82 is: 352,966.14
Step by Step Solution
- Step 1: Write the proportion equation
449,372.57 : 620,138.36 = 255,770.82 : x - Step 2: Convert to fraction form
449,372.57/620,138.36 = 255,770.82/x - Step 3: Cross multiply
449,372.57x = 620,138.36 × 255,770.82 - Step 4: Simplify right side
449,372.57x = 158,613,297,490.08 - Step 5: Solve for x
x = 158,613,297,490.08/449,372.57 - Step 6: Final answer
x = 352,966.14
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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.