Finding the Fourth Proportional to 489,225.97, 675,205.64 and 298,350.08
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Solution
The fourth proportional to 489,225.97, 675,205.64 and 298,350.08 is: 411,768.12
Step by Step Solution
- Step 1: Write the proportion equation
489,225.97 : 675,205.64 = 298,350.08 : x - Step 2: Convert to fraction form
489,225.97/675,205.64 = 298,350.08/x - Step 3: Cross multiply
489,225.97x = 675,205.64 × 298,350.08 - Step 4: Simplify right side
489,225.97x = 201,447,656,710.45 - Step 5: Solve for x
x = 201,447,656,710.45/489,225.97 - Step 6: Final answer
x = 411,768.12
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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.