Finding the Fourth Proportional to 266,540.88, 399,752.37 and 76,959.99
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Solution
The fourth proportional to 266,540.88, 399,752.37 and 76,959.99 is: 115,422.96
Step by Step Solution
- Step 1: Write the proportion equation
266,540.88 : 399,752.37 = 76,959.99 : x - Step 2: Convert to fraction form
266,540.88/399,752.37 = 76,959.99/x - Step 3: Cross multiply
266,540.88x = 399,752.37 × 76,959.99 - Step 4: Simplify right side
266,540.88x = 30,764,938,397.68 - Step 5: Solve for x
x = 30,764,938,397.68/266,540.88 - Step 6: Final answer
x = 115,422.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.