Finding the Fourth Proportional to 79,197.14, 118,813.43 and 26,605.19
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Solution
The fourth proportional to 79,197.14, 118,813.43 and 26,605.19 is: 39,913.73
Step by Step Solution
- Step 1: Write the proportion equation
79,197.14 : 118,813.43 = 26,605.19 : x - Step 2: Convert to fraction form
79,197.14/118,813.43 = 26,605.19/x - Step 3: Cross multiply
79,197.14x = 118,813.43 × 26,605.19 - Step 4: Simplify right side
79,197.14x = 3,161,053,352.15 - Step 5: Solve for x
x = 3,161,053,352.15/79,197.14 - Step 6: Final answer
x = 39,913.73
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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.