Finding the Fourth Proportional to 201,758.08, 278,332.56 and 130,161.12
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Solution
The fourth proportional to 201,758.08, 278,332.56 and 130,161.12 is: 179,561.97
Step by Step Solution
- Step 1: Write the proportion equation
201,758.08 : 278,332.56 = 130,161.12 : x - Step 2: Convert to fraction form
201,758.08/278,332.56 = 130,161.12/x - Step 3: Cross multiply
201,758.08x = 278,332.56 × 130,161.12 - Step 4: Simplify right side
201,758.08x = 36,228,077,742.07 - Step 5: Solve for x
x = 36,228,077,742.07/201,758.08 - Step 6: Final answer
x = 179,561.97
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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.