Finding the Fourth Proportional to 449,839.92, 620,792.28 and 245,902.08
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Solution
The fourth proportional to 449,839.92, 620,792.28 and 245,902.08 is: 339,352.08
Step by Step Solution
- Step 1: Write the proportion equation
449,839.92 : 620,792.28 = 245,902.08 : x - Step 2: Convert to fraction form
449,839.92/620,792.28 = 245,902.08/x - Step 3: Cross multiply
449,839.92x = 620,792.28 × 245,902.08 - Step 4: Simplify right side
449,839.92x = 152,654,112,899.94 - Step 5: Solve for x
x = 152,654,112,899.94/449,839.92 - Step 6: Final answer
x = 339,352.08
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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.