Finding the Fourth Proportional to 489,906.99, 734,671.55 and 190,348.13
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Solution
The fourth proportional to 489,906.99, 734,671.55 and 190,348.13 is: 285,448.79
Step by Step Solution
- Step 1: Write the proportion equation
489,906.99 : 734,671.55 = 190,348.13 : x - Step 2: Convert to fraction form
489,906.99/734,671.55 = 190,348.13/x - Step 3: Cross multiply
489,906.99x = 734,671.55 × 190,348.13 - Step 4: Simplify right side
489,906.99x = 139,843,358,019.25 - Step 5: Solve for x
x = 139,843,358,019.25/489,906.99 - Step 6: Final answer
x = 285,448.79
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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.