Finding the Fourth Proportional to 303,478.91, 418,800.95 and 167,512.91
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Solution
The fourth proportional to 303,478.91, 418,800.95 and 167,512.91 is: 231,167.85
Step by Step Solution
- Step 1: Write the proportion equation
303,478.91 : 418,800.95 = 167,512.91 : x - Step 2: Convert to fraction form
303,478.91/418,800.95 = 167,512.91/x - Step 3: Cross multiply
303,478.91x = 418,800.95 × 167,512.91 - Step 4: Simplify right side
303,478.91x = 70,154,565,845.26 - Step 5: Solve for x
x = 70,154,565,845.26/303,478.91 - Step 6: Final answer
x = 231,167.85
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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.