Finding the Fourth Proportional to 79,308.99, 118,957.94 and 37,198.31
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Solution
The fourth proportional to 79,308.99, 118,957.94 and 37,198.31 is: 55,794.86
Step by Step Solution
- Step 1: Write the proportion equation
79,308.99 : 118,957.94 = 37,198.31 : x - Step 2: Convert to fraction form
79,308.99/118,957.94 = 37,198.31/x - Step 3: Cross multiply
79,308.99x = 118,957.94 × 37,198.31 - Step 4: Simplify right side
79,308.99x = 4,425,034,329.08 - Step 5: Solve for x
x = 4,425,034,329.08/79,308.99 - Step 6: Final answer
x = 55,794.86
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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.