Finding the Fourth Proportional to 178,963.54, 246,969.84 and 98,392.44
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Solution
The fourth proportional to 178,963.54, 246,969.84 and 98,392.44 is: 135,781.65
Step by Step Solution
- Step 1: Write the proportion equation
178,963.54 : 246,969.84 = 98,392.44 : x - Step 2: Convert to fraction form
178,963.54/246,969.84 = 98,392.44/x - Step 3: Cross multiply
178,963.54x = 246,969.84 × 98,392.44 - Step 4: Simplify right side
178,963.54x = 24,299,965,164.01 - Step 5: Solve for x
x = 24,299,965,164.01/178,963.54 - Step 6: Final answer
x = 135,781.65
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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.