Finding the Fourth Proportional to 286,346.16, 395,146.87 and 159,029.96
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Solution
The fourth proportional to 286,346.16, 395,146.87 and 159,029.96 is: 219,455.32
Step by Step Solution
- Step 1: Write the proportion equation
286,346.16 : 395,146.87 = 159,029.96 : x - Step 2: Convert to fraction form
286,346.16/395,146.87 = 159,029.96/x - Step 3: Cross multiply
286,346.16x = 395,146.87 × 159,029.96 - Step 4: Simplify right side
286,346.16x = 62,840,188,556.92 - Step 5: Solve for x
x = 62,840,188,556.92/286,346.16 - Step 6: Final answer
x = 219,455.32
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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.