Finding the Fourth Proportional to 305,585.84, 421,702.08 and 169,611.84
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Solution
The fourth proportional to 305,585.84, 421,702.08 and 169,611.84 is: 234,060.80
Step by Step Solution
- Step 1: Write the proportion equation
305,585.84 : 421,702.08 = 169,611.84 : x - Step 2: Convert to fraction form
305,585.84/421,702.08 = 169,611.84/x - Step 3: Cross multiply
305,585.84x = 421,702.08 × 169,611.84 - Step 4: Simplify right side
305,585.84x = 71,525,665,720.63 - Step 5: Solve for x
x = 71,525,665,720.63/305,585.84 - Step 6: Final answer
x = 234,060.80
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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.