Finding the Fourth Proportional to 178,963.90, 246,974.54 and 98,392.99
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Solution
The fourth proportional to 178,963.90, 246,974.54 and 98,392.99 is: 135,784.72
Step by Step Solution
- Step 1: Write the proportion equation
178,963.90 : 246,974.54 = 98,392.99 : x - Step 2: Convert to fraction form
178,963.90/246,974.54 = 98,392.99/x - Step 3: Cross multiply
178,963.90x = 246,974.54 × 98,392.99 - Step 4: Simplify right side
178,963.90x = 24,300,561,717.64 - Step 5: Solve for x
x = 24,300,561,717.64/178,963.90 - Step 6: Final answer
x = 135,784.72
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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.