Finding the Fourth Proportional to 352,566.81, 486,540.84 and 191,421.82
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Solution
The fourth proportional to 352,566.81, 486,540.84 and 191,421.82 is: 264,161.37
Step by Step Solution
- Step 1: Write the proportion equation
352,566.81 : 486,540.84 = 191,421.82 : x - Step 2: Convert to fraction form
352,566.81/486,540.84 = 191,421.82/x - Step 3: Cross multiply
352,566.81x = 486,540.84 × 191,421.82 - Step 4: Simplify right side
352,566.81x = 93,134,533,097.13 - Step 5: Solve for x
x = 93,134,533,097.13/352,566.81 - Step 6: Final answer
x = 264,161.37
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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.