Finding the Fourth Proportional to 236,208.26, 354,208.50 and 86,409.70
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Solution
The fourth proportional to 236,208.26, 354,208.50 and 86,409.70 is: 129,576.54
Step by Step Solution
- Step 1: Write the proportion equation
236,208.26 : 354,208.50 = 86,409.70 : x - Step 2: Convert to fraction form
236,208.26/354,208.50 = 86,409.70/x - Step 3: Cross multiply
236,208.26x = 354,208.50 × 86,409.70 - Step 4: Simplify right side
236,208.26x = 30,607,049,336.93 - Step 5: Solve for x
x = 30,607,049,336.93/236,208.26 - Step 6: Final answer
x = 129,576.54
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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.