Finding the Fourth Proportional to 284,231.44, 392,240.64 and 156,908.08
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Solution
The fourth proportional to 284,231.44, 392,240.64 and 156,908.08 is: 216,533.84
Step by Step Solution
- Step 1: Write the proportion equation
284,231.44 : 392,240.64 = 156,908.08 : x - Step 2: Convert to fraction form
284,231.44/392,240.64 = 156,908.08/x - Step 3: Cross multiply
284,231.44x = 392,240.64 × 156,908.08 - Step 4: Simplify right side
284,231.44x = 61,545,725,720.37 - Step 5: Solve for x
x = 61,545,725,720.37/284,231.44 - Step 6: Final answer
x = 216,533.84
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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.