Finding the Fourth Proportional to 353,918.26, 488,513.92 and 240,806.62
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Solution
The fourth proportional to 353,918.26, 488,513.92 and 240,806.62 is: 332,385.75
Step by Step Solution
- Step 1: Write the proportion equation
353,918.26 : 488,513.92 = 240,806.62 : x - Step 2: Convert to fraction form
353,918.26/488,513.92 = 240,806.62/x - Step 3: Cross multiply
353,918.26x = 488,513.92 × 240,806.62 - Step 4: Simplify right side
353,918.26x = 117,637,383,455.58 - Step 5: Solve for x
x = 117,637,383,455.58/353,918.26 - Step 6: Final answer
x = 332,385.75
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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.