Finding the Fourth Proportional to 358,906.09, 495,312.46 and 197,761.09
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Solution
The fourth proportional to 358,906.09, 495,312.46 and 197,761.09 is: 272,922.47
Step by Step Solution
- Step 1: Write the proportion equation
358,906.09 : 495,312.46 = 197,761.09 : x - Step 2: Convert to fraction form
358,906.09/495,312.46 = 197,761.09/x - Step 3: Cross multiply
358,906.09x = 495,312.46 × 197,761.09 - Step 4: Simplify right side
358,906.09x = 97,953,534,579.21 - Step 5: Solve for x
x = 97,953,534,579.21/358,906.09 - Step 6: Final answer
x = 272,922.47
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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.