Finding the Fourth Proportional to 236,471.98, 326,338.26 and 129,048.95
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Solution
The fourth proportional to 236,471.98, 326,338.26 and 129,048.95 is: 178,091.33
Step by Step Solution
- Step 1: Write the proportion equation
236,471.98 : 326,338.26 = 129,048.95 : x - Step 2: Convert to fraction form
236,471.98/326,338.26 = 129,048.95/x - Step 3: Cross multiply
236,471.98x = 326,338.26 × 129,048.95 - Step 4: Simplify right side
236,471.98x = 42,113,609,797.83 - Step 5: Solve for x
x = 42,113,609,797.83/236,471.98 - Step 6: Final answer
x = 178,091.33
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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.