Finding the Fourth Proportional to 213,739.24, 294,965.34 and 118,247.80
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Solution
The fourth proportional to 213,739.24, 294,965.34 and 118,247.80 is: 163,184.83
Step by Step Solution
- Step 1: Write the proportion equation
213,739.24 : 294,965.34 = 118,247.80 : x - Step 2: Convert to fraction form
213,739.24/294,965.34 = 118,247.80/x - Step 3: Cross multiply
213,739.24x = 294,965.34 × 118,247.80 - Step 4: Simplify right side
213,739.24x = 34,879,002,531.25 - Step 5: Solve for x
x = 34,879,002,531.25/213,739.24 - Step 6: Final answer
x = 163,184.83
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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.