Finding the Fourth Proportional to 336,029.80, 504,044.70 and 86,711.80
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Solution
The fourth proportional to 336,029.80, 504,044.70 and 86,711.80 is: 130,067.70
Step by Step Solution
- Step 1: Write the proportion equation
336,029.80 : 504,044.70 = 86,711.80 : x - Step 2: Convert to fraction form
336,029.80/504,044.70 = 86,711.80/x - Step 3: Cross multiply
336,029.80x = 504,044.70 × 86,711.80 - Step 4: Simplify right side
336,029.80x = 43,706,623,217.46 - Step 5: Solve for x
x = 43,706,623,217.46/336,029.80 - Step 6: Final answer
x = 130,067.70
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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.