Finding the Fourth Proportional to 305,063.97, 421,003.71 and 175,954.41
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Solution
The fourth proportional to 305,063.97, 421,003.71 and 175,954.41 is: 242,825.99
Step by Step Solution
- Step 1: Write the proportion equation
305,063.97 : 421,003.71 = 175,954.41 : x - Step 2: Convert to fraction form
305,063.97/421,003.71 = 175,954.41/x - Step 3: Cross multiply
305,063.97x = 421,003.71 × 175,954.41 - Step 4: Simplify right side
305,063.97x = 74,077,459,400.86 - Step 5: Solve for x
x = 74,077,459,400.86/305,063.97 - Step 6: Final answer
x = 242,825.99
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1.5x scale
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.