Finding the Fourth Proportional to 305,252.21, 421,248.04 and 169,306.97
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Solution
The fourth proportional to 305,252.21, 421,248.04 and 169,306.97 is: 233,643.61
Step by Step Solution
- Step 1: Write the proportion equation
305,252.21 : 421,248.04 = 169,306.97 : x - Step 2: Convert to fraction form
305,252.21/421,248.04 = 169,306.97/x - Step 3: Cross multiply
305,252.21x = 421,248.04 × 169,306.97 - Step 4: Simplify right side
305,252.21x = 71,320,226,741.33 - Step 5: Solve for x
x = 71,320,226,741.33/305,252.21 - Step 6: Final answer
x = 233,643.61
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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.