Finding the Fourth Proportional to 79,246.28, 118,723.62 and 49,658.60
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Solution
The fourth proportional to 79,246.28, 118,723.62 and 49,658.60 is: 74,396.54
Step by Step Solution
- Step 1: Write the proportion equation
79,246.28 : 118,723.62 = 49,658.60 : x - Step 2: Convert to fraction form
79,246.28/118,723.62 = 49,658.60/x - Step 3: Cross multiply
79,246.28x = 118,723.62 × 49,658.60 - Step 4: Simplify right side
79,246.28x = 5,895,648,756.13 - Step 5: Solve for x
x = 5,895,648,756.13/79,246.28 - Step 6: Final answer
x = 74,396.54
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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.