Finding the Fourth Proportional to 313,860.06, 470,906.73 and 145,461.06
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Solution
The fourth proportional to 313,860.06, 470,906.73 and 145,461.06 is: 218,245.65
Step by Step Solution
- Step 1: Write the proportion equation
313,860.06 : 470,906.73 = 145,461.06 : x - Step 2: Convert to fraction form
313,860.06/470,906.73 = 145,461.06/x - Step 3: Cross multiply
313,860.06x = 470,906.73 × 145,461.06 - Step 4: Simplify right side
313,860.06x = 68,498,592,106.93 - Step 5: Solve for x
x = 68,498,592,106.93/313,860.06 - Step 6: Final answer
x = 218,245.65
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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.