Finding the Fourth Proportional to 163,473.68, 245,305.30 and 68,696.40
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Solution
The fourth proportional to 163,473.68, 245,305.30 and 68,696.40 is: 103,084.43
Step by Step Solution
- Step 1: Write the proportion equation
163,473.68 : 245,305.30 = 68,696.40 : x - Step 2: Convert to fraction form
163,473.68/245,305.30 = 68,696.40/x - Step 3: Cross multiply
163,473.68x = 245,305.30 × 68,696.40 - Step 4: Simplify right side
163,473.68x = 16,851,591,010.92 - Step 5: Solve for x
x = 16,851,591,010.92/163,473.68 - Step 6: Final answer
x = 103,084.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.