Finding the Fourth Proportional to 489,659.16, 734,373.84 and 236,814.60
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Solution
The fourth proportional to 489,659.16, 734,373.84 and 236,814.60 is: 355,166.33
Step by Step Solution
- Step 1: Write the proportion equation
489,659.16 : 734,373.84 = 236,814.60 : x - Step 2: Convert to fraction form
489,659.16/734,373.84 = 236,814.60/x - Step 3: Cross multiply
489,659.16x = 734,373.84 × 236,814.60 - Step 4: Simplify right side
489,659.16x = 173,910,447,170.06 - Step 5: Solve for x
x = 173,910,447,170.06/489,659.16 - Step 6: Final answer
x = 355,166.33
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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.