Finding the Fourth Proportional to 201,760.08, 278,335.32 and 130,163.12
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Solution
The fourth proportional to 201,760.08, 278,335.32 and 130,163.12 is: 179,564.73
Step by Step Solution
- Step 1: Write the proportion equation
201,760.08 : 278,335.32 = 130,163.12 : x - Step 2: Convert to fraction form
201,760.08/278,335.32 = 130,163.12/x - Step 3: Cross multiply
201,760.08x = 278,335.32 × 130,163.12 - Step 4: Simplify right side
201,760.08x = 36,228,993,657.40 - Step 5: Solve for x
x = 36,228,993,657.40/201,760.08 - Step 6: Final answer
x = 179,564.73
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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.