Finding the Fourth Proportional to 187,276.44, 280,942.68 and 68,938.80
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Solution
The fourth proportional to 187,276.44, 280,942.68 and 68,938.80 is: 103,418.51
Step by Step Solution
- Step 1: Write the proportion equation
187,276.44 : 280,942.68 = 68,938.80 : x - Step 2: Convert to fraction form
187,276.44/280,942.68 = 68,938.80/x - Step 3: Cross multiply
187,276.44x = 280,942.68 × 68,938.80 - Step 4: Simplify right side
187,276.44x = 19,367,851,227.98 - Step 5: Solve for x
x = 19,367,851,227.98/187,276.44 - Step 6: Final answer
x = 103,418.51
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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.