Finding the Fourth Proportional to 336,139.68, 503,867.66 and 133,879.08
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Solution
The fourth proportional to 336,139.68, 503,867.66 and 133,879.08 is: 200,682.46
Step by Step Solution
- Step 1: Write the proportion equation
336,139.68 : 503,867.66 = 133,879.08 : x - Step 2: Convert to fraction form
336,139.68/503,867.66 = 133,879.08/x - Step 3: Cross multiply
336,139.68x = 503,867.66 × 133,879.08 - Step 4: Simplify right side
336,139.68x = 67,457,338,762.55 - Step 5: Solve for x
x = 67,457,338,762.55/336,139.68 - Step 6: Final answer
x = 200,682.46
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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.