Finding the Fourth Proportional to 447,568.11, 617,660.30 and 243,609.18
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Solution
The fourth proportional to 447,568.11, 617,660.30 and 243,609.18 is: 336,189.54
Step by Step Solution
- Step 1: Write the proportion equation
447,568.11 : 617,660.30 = 243,609.18 : x - Step 2: Convert to fraction form
447,568.11/617,660.30 = 243,609.18/x - Step 3: Cross multiply
447,568.11x = 617,660.30 × 243,609.18 - Step 4: Simplify right side
447,568.11x = 150,467,717,983.51 - Step 5: Solve for x
x = 150,467,717,983.51/447,568.11 - Step 6: Final answer
x = 336,189.54
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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.