Finding the Fourth Proportional to 305,441.97, 421,533.09 and 169,501.70
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Solution
The fourth proportional to 305,441.97, 421,533.09 and 169,501.70 is: 233,925.20
Step by Step Solution
- Step 1: Write the proportion equation
305,441.97 : 421,533.09 = 169,501.70 : x - Step 2: Convert to fraction form
305,441.97/421,533.09 = 169,501.70/x - Step 3: Cross multiply
305,441.97x = 421,533.09 × 169,501.70 - Step 4: Simplify right side
305,441.97x = 71,450,573,253.59 - Step 5: Solve for x
x = 71,450,573,253.59/305,441.97 - Step 6: Final answer
x = 233,925.20
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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.