Finding the Fourth Proportional to 233,138.70, 349,708.05 and 214,476.30
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Solution
The fourth proportional to 233,138.70, 349,708.05 and 214,476.30 is: 321,714.45
Step by Step Solution
- Step 1: Write the proportion equation
233,138.70 : 349,708.05 = 214,476.30 : x - Step 2: Convert to fraction form
233,138.70/349,708.05 = 214,476.30/x - Step 3: Cross multiply
233,138.70x = 349,708.05 × 214,476.30 - Step 4: Simplify right side
233,138.70x = 75,004,088,644.22 - Step 5: Solve for x
x = 75,004,088,644.22/233,138.70 - Step 6: Final answer
x = 321,714.45
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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.