Finding the Fourth Proportional to 339,336.99, 509,004.94 and 86,617.44
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Solution
The fourth proportional to 339,336.99, 509,004.94 and 86,617.44 is: 129,926.02
Step by Step Solution
- Step 1: Write the proportion equation
339,336.99 : 509,004.94 = 86,617.44 : x - Step 2: Convert to fraction form
339,336.99/509,004.94 = 86,617.44/x - Step 3: Cross multiply
339,336.99x = 509,004.94 × 86,617.44 - Step 4: Simplify right side
339,336.99x = 44,088,704,850.15 - Step 5: Solve for x
x = 44,088,704,850.15/339,336.99 - Step 6: Final answer
x = 129,926.02
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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.