Finding the Fourth Proportional to 489,229.97, 675,211.16 and 298,354.08
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Solution
The fourth proportional to 489,229.97, 675,211.16 and 298,354.08 is: 411,773.63
Step by Step Solution
- Step 1: Write the proportion equation
489,229.97 : 675,211.16 = 298,354.08 : x - Step 2: Convert to fraction form
489,229.97/675,211.16 = 298,354.08/x - Step 3: Cross multiply
489,229.97x = 675,211.16 × 298,354.08 - Step 4: Simplify right side
489,229.97x = 201,452,002,955.76 - Step 5: Solve for x
x = 201,452,002,955.76/489,229.97 - Step 6: Final answer
x = 411,773.63
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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.