Finding the Fourth Proportional to 313,683.91, 470,261.36 and 136,057.14
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Solution
The fourth proportional to 313,683.91, 470,261.36 and 136,057.14 is: 203,970.98
Step by Step Solution
- Step 1: Write the proportion equation
313,683.91 : 470,261.36 = 136,057.14 : x - Step 2: Convert to fraction form
313,683.91/470,261.36 = 136,057.14/x - Step 3: Cross multiply
313,683.91x = 470,261.36 × 136,057.14 - Step 4: Simplify right side
313,683.91x = 63,982,415,694.11 - Step 5: Solve for x
x = 63,982,415,694.11/313,683.91 - Step 6: Final answer
x = 203,970.98
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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.