Finding the Fourth Proportional to 489,185.91, 733,781.04 and 134,203.95
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Solution
The fourth proportional to 489,185.91, 733,781.04 and 134,203.95 is: 201,306.52
Step by Step Solution
- Step 1: Write the proportion equation
489,185.91 : 733,781.04 = 134,203.95 : x - Step 2: Convert to fraction form
489,185.91/733,781.04 = 134,203.95/x - Step 3: Cross multiply
489,185.91x = 733,781.04 × 134,203.95 - Step 4: Simplify right side
489,185.91x = 98,476,314,003.11 - Step 5: Solve for x
x = 98,476,314,003.11/489,185.91 - Step 6: Final answer
x = 201,306.52
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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.