Finding the Fourth Proportional to 403,361.19, 605,046.65 and 122,880.87
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Solution
The fourth proportional to 403,361.19, 605,046.65 and 122,880.87 is: 184,322.79
Step by Step Solution
- Step 1: Write the proportion equation
403,361.19 : 605,046.65 = 122,880.87 : x - Step 2: Convert to fraction form
403,361.19/605,046.65 = 122,880.87/x - Step 3: Cross multiply
403,361.19x = 605,046.65 × 122,880.87 - Step 4: Simplify right side
403,361.19x = 74,348,658,128.18 - Step 5: Solve for x
x = 74,348,658,128.18/403,361.19 - Step 6: Final answer
x = 184,322.79
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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.