Finding the Fourth Proportional to 336,129.14, 504,194.70 and 86,811.14
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Solution
The fourth proportional to 336,129.14, 504,194.70 and 86,811.14 is: 130,216.97
Step by Step Solution
- Step 1: Write the proportion equation
336,129.14 : 504,194.70 = 86,811.14 : x - Step 2: Convert to fraction form
336,129.14/504,194.70 = 86,811.14/x - Step 3: Cross multiply
336,129.14x = 504,194.70 × 86,811.14 - Step 4: Simplify right side
336,129.14x = 43,769,716,688.96 - Step 5: Solve for x
x = 43,769,716,688.96/336,129.14 - Step 6: Final answer
x = 130,216.97
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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.