Finding the Fourth Proportional to 213,973.21, 295,292.24 and 118,479.84
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Solution
The fourth proportional to 213,973.21, 295,292.24 and 118,479.84 is: 163,507.28
Step by Step Solution
- Step 1: Write the proportion equation
213,973.21 : 295,292.24 = 118,479.84 : x - Step 2: Convert to fraction form
213,973.21/295,292.24 = 118,479.84/x - Step 3: Cross multiply
213,973.21x = 295,292.24 × 118,479.84 - Step 4: Simplify right side
213,973.21x = 34,986,177,348.44 - Step 5: Solve for x
x = 34,986,177,348.44/213,973.21 - Step 6: Final answer
x = 163,507.28
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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.