Finding the Fourth Proportional to 140,768.88, 211,177.26 and 52,022.76
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Solution
The fourth proportional to 140,768.88, 211,177.26 and 52,022.76 is: 78,042.99
Step by Step Solution
- Step 1: Write the proportion equation
140,768.88 : 211,177.26 = 52,022.76 : x - Step 2: Convert to fraction form
140,768.88/211,177.26 = 52,022.76/x - Step 3: Cross multiply
140,768.88x = 211,177.26 × 52,022.76 - Step 4: Simplify right side
140,768.88x = 10,986,023,914.44 - Step 5: Solve for x
x = 10,986,023,914.44/140,768.88 - Step 6: Final answer
x = 78,042.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.