Finding the Fourth Proportional to 286,380.14, 395,197.71 and 159,054.62
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Solution
The fourth proportional to 286,380.14, 395,197.71 and 159,054.62 is: 219,491.55
Step by Step Solution
- Step 1: Write the proportion equation
286,380.14 : 395,197.71 = 159,054.62 : x - Step 2: Convert to fraction form
286,380.14/395,197.71 = 159,054.62/x - Step 3: Cross multiply
286,380.14x = 395,197.71 × 159,054.62 - Step 4: Simplify right side
286,380.14x = 62,858,021,588.92 - Step 5: Solve for x
x = 62,858,021,588.92/286,380.14 - Step 6: Final answer
x = 219,491.55
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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.