Finding the Fourth Proportional to 178,963.44, 246,956.88 and 98,388.96
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Solution
The fourth proportional to 178,963.44, 246,956.88 and 98,388.96 is: 135,769.80
Step by Step Solution
- Step 1: Write the proportion equation
178,963.44 : 246,956.88 = 98,388.96 : x - Step 2: Convert to fraction form
178,963.44/246,956.88 = 98,388.96/x - Step 3: Cross multiply
178,963.44x = 246,956.88 × 98,388.96 - Step 4: Simplify right side
178,963.44x = 24,297,830,588.04 - Step 5: Solve for x
x = 24,297,830,588.04/178,963.44 - Step 6: Final answer
x = 135,769.80
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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.