Finding the Fourth Proportional to 236,078.14, 325,838.13 and 155,512.70
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Solution
The fourth proportional to 236,078.14, 325,838.13 and 155,512.70 is: 214,640.66
Step by Step Solution
- Step 1: Write the proportion equation
236,078.14 : 325,838.13 = 155,512.70 : x - Step 2: Convert to fraction form
236,078.14/325,838.13 = 155,512.70/x - Step 3: Cross multiply
236,078.14x = 325,838.13 × 155,512.70 - Step 4: Simplify right side
236,078.14x = 50,671,967,359.25 - Step 5: Solve for x
x = 50,671,967,359.25/236,078.14 - Step 6: Final answer
x = 214,640.66
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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.