Finding the Fourth Proportional to 305,273.94, 421,303.26 and 169,351.74
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Solution
The fourth proportional to 305,273.94, 421,303.26 and 169,351.74 is: 233,719.39
Step by Step Solution
- Step 1: Write the proportion equation
305,273.94 : 421,303.26 = 169,351.74 : x - Step 2: Convert to fraction form
305,273.94/421,303.26 = 169,351.74/x - Step 3: Cross multiply
305,273.94x = 421,303.26 × 169,351.74 - Step 4: Simplify right side
305,273.94x = 71,348,440,148.67 - Step 5: Solve for x
x = 71,348,440,148.67/305,273.94 - Step 6: Final answer
x = 233,719.39
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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.