Finding the Fourth Proportional to 305,204.41, 421,143.06 and 169,237.41
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Solution
The fourth proportional to 305,204.41, 421,143.06 and 169,237.41 is: 233,525.99
Step by Step Solution
- Step 1: Write the proportion equation
305,204.41 : 421,143.06 = 169,237.41 : x - Step 2: Convert to fraction form
305,204.41/421,143.06 = 169,237.41/x - Step 3: Cross multiply
305,204.41x = 421,143.06 × 169,237.41 - Step 4: Simplify right side
305,204.41x = 71,273,160,713.87 - Step 5: Solve for x
x = 71,273,160,713.87/305,204.41 - Step 6: Final answer
x = 233,525.99
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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.