Finding the Fourth Proportional to 305,207.19, 421,191.02 and 169,246.87
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Solution
The fourth proportional to 305,207.19, 421,191.02 and 169,246.87 is: 233,563.51
Step by Step Solution
- Step 1: Write the proportion equation
305,207.19 : 421,191.02 = 169,246.87 : x - Step 2: Convert to fraction form
305,207.19/421,191.02 = 169,246.87/x - Step 3: Cross multiply
305,207.19x = 421,191.02 × 169,246.87 - Step 4: Simplify right side
305,207.19x = 71,285,261,177.25 - Step 5: Solve for x
x = 71,285,261,177.25/305,207.19 - Step 6: Final answer
x = 233,563.51
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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.