Finding the Fourth Proportional to 303,640.50, 455,738.49 and 153,984.06
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Solution
The fourth proportional to 303,640.50, 455,738.49 and 153,984.06 is: 231,116.94
Step by Step Solution
- Step 1: Write the proportion equation
303,640.50 : 455,738.49 = 153,984.06 : x - Step 2: Convert to fraction form
303,640.50/455,738.49 = 153,984.06/x - Step 3: Cross multiply
303,640.50x = 455,738.49 × 153,984.06 - Step 4: Simplify right side
303,640.50x = 70,176,462,988.47 - Step 5: Solve for x
x = 70,176,462,988.47/303,640.50 - Step 6: Final answer
x = 231,116.94
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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.