Finding the Fourth Proportional to 313,518.22, 470,156.99 and 133,489.51
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Solution
The fourth proportional to 313,518.22, 470,156.99 and 133,489.51 is: 200,183.03
Step by Step Solution
- Step 1: Write the proportion equation
313,518.22 : 470,156.99 = 133,489.51 : x - Step 2: Convert to fraction form
313,518.22/470,156.99 = 133,489.51/x - Step 3: Cross multiply
313,518.22x = 470,156.99 × 133,489.51 - Step 4: Simplify right side
313,518.22x = 62,761,026,218.17 - Step 5: Solve for x
x = 62,761,026,218.17/313,518.22 - Step 6: Final answer
x = 200,183.03
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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.