Finding the Fourth Proportional to 356,959.26, 492,619.32 and 213,691.68
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Solution
The fourth proportional to 356,959.26, 492,619.32 and 213,691.68 is: 294,903.82
Step by Step Solution
- Step 1: Write the proportion equation
356,959.26 : 492,619.32 = 213,691.68 : x - Step 2: Convert to fraction form
356,959.26/492,619.32 = 213,691.68/x - Step 3: Cross multiply
356,959.26x = 492,619.32 × 213,691.68 - Step 4: Simplify right side
356,959.26x = 105,268,650,091.26 - Step 5: Solve for x
x = 105,268,650,091.26/356,959.26 - Step 6: Final answer
x = 294,903.82
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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.