Finding the Fourth Proportional to 375,754.64, 518,530.68 and 214,606.36
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Solution
The fourth proportional to 375,754.64, 518,530.68 and 214,606.36 is: 296,150.65
Step by Step Solution
- Step 1: Write the proportion equation
375,754.64 : 518,530.68 = 214,606.36 : x - Step 2: Convert to fraction form
375,754.64/518,530.68 = 214,606.36/x - Step 3: Cross multiply
375,754.64x = 518,530.68 × 214,606.36 - Step 4: Simplify right side
375,754.64x = 111,279,981,783.13 - Step 5: Solve for x
x = 111,279,981,783.13/375,754.64 - Step 6: Final answer
x = 296,150.65
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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.