Finding the Fourth Proportional to 339,835.53, 468,984.84 and 186,879.99
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Solution
The fourth proportional to 339,835.53, 468,984.84 and 186,879.99 is: 257,900.88
Step by Step Solution
- Step 1: Write the proportion equation
339,835.53 : 468,984.84 = 186,879.99 : x - Step 2: Convert to fraction form
339,835.53/468,984.84 = 186,879.99/x - Step 3: Cross multiply
339,835.53x = 468,984.84 × 186,879.99 - Step 4: Simplify right side
339,835.53x = 87,643,882,209.35 - Step 5: Solve for x
x = 87,643,882,209.35/339,835.53 - Step 6: Final answer
x = 257,900.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.