Finding the Fourth Proportional to 178,982.29, 246,988.92 and 98,405.02
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Solution
The fourth proportional to 178,982.29, 246,988.92 and 98,405.02 is: 135,795.28
Step by Step Solution
- Step 1: Write the proportion equation
178,982.29 : 246,988.92 = 98,405.02 : x - Step 2: Convert to fraction form
178,982.29/246,988.92 = 98,405.02/x - Step 3: Cross multiply
178,982.29x = 246,988.92 × 98,405.02 - Step 4: Simplify right side
178,982.29x = 24,304,949,612.38 - Step 5: Solve for x
x = 24,304,949,612.38/178,982.29 - Step 6: Final answer
x = 135,795.28
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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.