Finding the Fourth Proportional to 259,124.29, 387,808.56 and 159,347.68
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Solution
The fourth proportional to 259,124.29, 387,808.56 and 159,347.68 is: 238,481.67
Step by Step Solution
- Step 1: Write the proportion equation
259,124.29 : 387,808.56 = 159,347.68 : x - Step 2: Convert to fraction form
259,124.29/387,808.56 = 159,347.68/x - Step 3: Cross multiply
259,124.29x = 387,808.56 × 159,347.68 - Step 4: Simplify right side
259,124.29x = 61,796,394,320.14 - Step 5: Solve for x
x = 61,796,394,320.14/259,124.29 - Step 6: Final answer
x = 238,481.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.