Finding the Fourth Proportional to 286,378.14, 395,194.95 and 159,052.62
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Solution
The fourth proportional to 286,378.14, 395,194.95 and 159,052.62 is: 219,488.79
Step by Step Solution
- Step 1: Write the proportion equation
286,378.14 : 395,194.95 = 159,052.62 : x - Step 2: Convert to fraction form
286,378.14/395,194.95 = 159,052.62/x - Step 3: Cross multiply
286,378.14x = 395,194.95 × 159,052.62 - Step 4: Simplify right side
286,378.14x = 62,856,792,208.27 - Step 5: Solve for x
x = 62,856,792,208.27/286,378.14 - Step 6: Final answer
x = 219,488.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.