Finding the Fourth Proportional to 640,532.07, 960,914.88 and 214,027.29
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Solution
The fourth proportional to 640,532.07, 960,914.88 and 214,027.29 is: 321,079.95
Step by Step Solution
- Step 1: Write the proportion equation
640,532.07 : 960,914.88 = 214,027.29 : x - Step 2: Convert to fraction form
640,532.07/960,914.88 = 214,027.29/x - Step 3: Cross multiply
640,532.07x = 960,914.88 × 214,027.29 - Step 4: Simplify right side
640,532.07x = 205,662,007,687.08 - Step 5: Solve for x
x = 205,662,007,687.08/640,532.07 - Step 6: Final answer
x = 321,079.95
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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.