Finding the Fourth Proportional to 352,239.10, 528,433.17 and 115,561.96
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Solution
The fourth proportional to 352,239.10, 528,433.17 and 115,561.96 is: 173,367.39
Step by Step Solution
- Step 1: Write the proportion equation
352,239.10 : 528,433.17 = 115,561.96 : x - Step 2: Convert to fraction form
352,239.10/528,433.17 = 115,561.96/x - Step 3: Cross multiply
352,239.10x = 528,433.17 × 115,561.96 - Step 4: Simplify right side
352,239.10x = 61,066,772,854.21 - Step 5: Solve for x
x = 61,066,772,854.21/352,239.10 - Step 6: Final answer
x = 173,367.39
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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.