Finding the Fourth Proportional to 293,233.97, 438,031.58 and 212,632.09
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Solution
The fourth proportional to 293,233.97, 438,031.58 and 212,632.09 is: 317,628.85
Step by Step Solution
- Step 1: Write the proportion equation
293,233.97 : 438,031.58 = 212,632.09 : x - Step 2: Convert to fraction form
293,233.97/438,031.58 = 212,632.09/x - Step 3: Cross multiply
293,233.97x = 438,031.58 × 212,632.09 - Step 4: Simplify right side
293,233.97x = 93,139,568,183.16 - Step 5: Solve for x
x = 93,139,568,183.16/293,233.97 - Step 6: Final answer
x = 317,628.85
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.