Finding the Fourth Proportional to 286,691.94, 395,542.26 and 159,342.93
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Solution
The fourth proportional to 286,691.94, 395,542.26 and 159,342.93 is: 219,841.77
Step by Step Solution
- Step 1: Write the proportion equation
286,691.94 : 395,542.26 = 159,342.93 : x - Step 2: Convert to fraction form
286,691.94/395,542.26 = 159,342.93/x - Step 3: Cross multiply
286,691.94x = 395,542.26 × 159,342.93 - Step 4: Simplify right side
286,691.94x = 63,026,862,647.22 - Step 5: Solve for x
x = 63,026,862,647.22/286,691.94 - Step 6: Final answer
x = 219,841.77
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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.