Finding the Fourth Proportional to 352,152.86, 485,585.81 and 261,676.67
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Solution
The fourth proportional to 352,152.86, 485,585.81 and 261,676.67 is: 360,827.62
Step by Step Solution
- Step 1: Write the proportion equation
352,152.86 : 485,585.81 = 261,676.67 : x - Step 2: Convert to fraction form
352,152.86/485,585.81 = 261,676.67/x - Step 3: Cross multiply
352,152.86x = 485,585.81 × 261,676.67 - Step 4: Simplify right side
352,152.86x = 127,066,479,628.21 - Step 5: Solve for x
x = 127,066,479,628.21/352,152.86 - Step 6: Final answer
x = 360,827.62
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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.