Finding the Fourth Proportional to 213,224.40, 294,254.24 and 117,737.08
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Solution
The fourth proportional to 213,224.40, 294,254.24 and 117,737.08 is: 162,479.69
Step by Step Solution
- Step 1: Write the proportion equation
213,224.40 : 294,254.24 = 117,737.08 : x - Step 2: Convert to fraction form
213,224.40/294,254.24 = 117,737.08/x - Step 3: Cross multiply
213,224.40x = 294,254.24 × 117,737.08 - Step 4: Simplify right side
213,224.40x = 34,644,634,995.22 - Step 5: Solve for x
x = 34,644,634,995.22/213,224.40 - Step 6: Final answer
x = 162,479.69
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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.