Finding the Fourth Proportional to 284,365.83, 392,475.21 and 163,497.63
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Solution
The fourth proportional to 284,365.83, 392,475.21 and 163,497.63 is: 225,655.69
Step by Step Solution
- Step 1: Write the proportion equation
284,365.83 : 392,475.21 = 163,497.63 : x - Step 2: Convert to fraction form
284,365.83/392,475.21 = 163,497.63/x - Step 3: Cross multiply
284,365.83x = 392,475.21 × 163,497.63 - Step 4: Simplify right side
284,365.83x = 64,168,766,668.75 - Step 5: Solve for x
x = 64,168,766,668.75/284,365.83 - Step 6: Final answer
x = 225,655.69
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1.5x scale
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.