Finding the Fourth Proportional to 178,131.36, 245,824.08 and 97,557.44
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Solution
The fourth proportional to 178,131.36, 245,824.08 and 97,557.44 is: 134,630.80
Step by Step Solution
- Step 1: Write the proportion equation
178,131.36 : 245,824.08 = 97,557.44 : x - Step 2: Convert to fraction form
178,131.36/245,824.08 = 97,557.44/x - Step 3: Cross multiply
178,131.36x = 245,824.08 × 97,557.44 - Step 4: Simplify right side
178,131.36x = 23,981,967,935.16 - Step 5: Solve for x
x = 23,981,967,935.16/178,131.36 - Step 6: Final answer
x = 134,630.80
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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.