Finding the Fourth Proportional to 375,361.84, 518,007.76 and 214,213.68
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Solution
The fourth proportional to 375,361.84, 518,007.76 and 214,213.68 is: 295,619.68
Step by Step Solution
- Step 1: Write the proportion equation
375,361.84 : 518,007.76 = 214,213.68 : x - Step 2: Convert to fraction form
375,361.84/518,007.76 = 214,213.68/x - Step 3: Cross multiply
375,361.84x = 518,007.76 × 214,213.68 - Step 4: Simplify right side
375,361.84x = 110,964,348,538.16 - Step 5: Solve for x
x = 110,964,348,538.16/375,361.84 - Step 6: Final answer
x = 295,619.68
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1.5x scale
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.