Finding the Fourth Proportional to 286,618.26, 395,549.56 and 159,301.92
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Solution
The fourth proportional to 286,618.26, 395,549.56 and 159,301.92 is: 219,845.74
Step by Step Solution
- Step 1: Write the proportion equation
286,618.26 : 395,549.56 = 159,301.92 : x - Step 2: Convert to fraction form
286,618.26/395,549.56 = 159,301.92/x - Step 3: Cross multiply
286,618.26x = 395,549.56 × 159,301.92 - Step 4: Simplify right side
286,618.26x = 63,011,804,363.16 - Step 5: Solve for x
x = 63,011,804,363.16/286,618.26 - Step 6: Final answer
x = 219,845.74
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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.