Finding the Fourth Proportional to 117,777.88, 176,566.98 and 51,167.80
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Solution
The fourth proportional to 117,777.88, 176,566.98 and 51,167.80 is: 76,708.33
Step by Step Solution
- Step 1: Write the proportion equation
117,777.88 : 176,566.98 = 51,167.80 : x - Step 2: Convert to fraction form
117,777.88/176,566.98 = 51,167.80/x - Step 3: Cross multiply
117,777.88x = 176,566.98 × 51,167.80 - Step 4: Simplify right side
117,777.88x = 9,034,543,919.24 - Step 5: Solve for x
x = 9,034,543,919.24/117,777.88 - Step 6: Final answer
x = 76,708.33
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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.