Finding the Fourth Proportional to 213,959.10, 295,272.80 and 118,465.80
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Solution
The fourth proportional to 213,959.10, 295,272.80 and 118,465.80 is: 163,487.92
Step by Step Solution
- Step 1: Write the proportion equation
213,959.10 : 295,272.80 = 118,465.80 : x - Step 2: Convert to fraction form
213,959.10/295,272.80 = 118,465.80/x - Step 3: Cross multiply
213,959.10x = 295,272.80 × 118,465.80 - Step 4: Simplify right side
213,959.10x = 34,979,728,470.24 - Step 5: Solve for x
x = 34,979,728,470.24/213,959.10 - Step 6: Final answer
x = 163,487.92
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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.