Finding the Fourth Proportional to 336,221.80, 504,332.70 and 257,489.80
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Solution
The fourth proportional to 336,221.80, 504,332.70 and 257,489.80 is: 386,234.70
Step by Step Solution
- Step 1: Write the proportion equation
336,221.80 : 504,332.70 = 257,489.80 : x - Step 2: Convert to fraction form
336,221.80/504,332.70 = 257,489.80/x - Step 3: Cross multiply
336,221.80x = 504,332.70 × 257,489.80 - Step 4: Simplify right side
336,221.80x = 129,860,526,056.46 - Step 5: Solve for x
x = 129,860,526,056.46/336,221.80 - Step 6: Final answer
x = 386,234.70
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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.