Finding the Fourth Proportional to 336,137.13, 504,206.70 and 86,819.13
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Solution
The fourth proportional to 336,137.13, 504,206.70 and 86,819.13 is: 130,228.95
Step by Step Solution
- Step 1: Write the proportion equation
336,137.13 : 504,206.70 = 86,819.13 : x - Step 2: Convert to fraction form
336,137.13/504,206.70 = 86,819.13/x - Step 3: Cross multiply
336,137.13x = 504,206.70 × 86,819.13 - Step 4: Simplify right side
336,137.13x = 43,774,787,034.17 - Step 5: Solve for x
x = 43,774,787,034.17/336,137.13 - Step 6: Final answer
x = 130,228.95
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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.