Finding the Fourth Proportional to 475,758.68, 713,568.52 and 138,708.76
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Solution
The fourth proportional to 475,758.68, 713,568.52 and 138,708.76 is: 208,042.88
Step by Step Solution
- Step 1: Write the proportion equation
475,758.68 : 713,568.52 = 138,708.76 : x - Step 2: Convert to fraction form
475,758.68/713,568.52 = 138,708.76/x - Step 3: Cross multiply
475,758.68x = 713,568.52 × 138,708.76 - Step 4: Simplify right side
475,758.68x = 98,978,204,584.24 - Step 5: Solve for x
x = 98,978,204,584.24/475,758.68 - Step 6: Final answer
x = 208,042.88
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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.