Finding the Fourth Proportional to 79,266.92, 118,899.18 and 19,295.84
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Solution
The fourth proportional to 79,266.92, 118,899.18 and 19,295.84 is: 28,943.47
Step by Step Solution
- Step 1: Write the proportion equation
79,266.92 : 118,899.18 = 19,295.84 : x - Step 2: Convert to fraction form
79,266.92/118,899.18 = 19,295.84/x - Step 3: Cross multiply
79,266.92x = 118,899.18 × 19,295.84 - Step 4: Simplify right side
79,266.92x = 2,294,259,553.41 - Step 5: Solve for x
x = 2,294,259,553.41/79,266.92 - Step 6: Final answer
x = 28,943.47
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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.