Finding the Fourth Proportional to 213,983.06, 295,296.59 and 118,489.75
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Solution
The fourth proportional to 213,983.06, 295,296.59 and 118,489.75 is: 163,515.84
Step by Step Solution
- Step 1: Write the proportion equation
213,983.06 : 295,296.59 = 118,489.75 : x - Step 2: Convert to fraction form
213,983.06/295,296.59 = 118,489.75/x - Step 3: Cross multiply
213,983.06x = 295,296.59 × 118,489.75 - Step 4: Simplify right side
213,983.06x = 34,989,618,682.94 - Step 5: Solve for x
x = 34,989,618,682.94/213,983.06 - Step 6: Final answer
x = 163,515.84
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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.