Finding the Fourth Proportional to 313,682.91, 470,259.86 and 136,056.14
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Solution
The fourth proportional to 313,682.91, 470,259.86 and 136,056.14 is: 203,969.48
Step by Step Solution
- Step 1: Write the proportion equation
313,682.91 : 470,259.86 = 136,056.14 : x - Step 2: Convert to fraction form
313,682.91/470,259.86 = 136,056.14/x - Step 3: Cross multiply
313,682.91x = 470,259.86 × 136,056.14 - Step 4: Simplify right side
313,682.91x = 63,981,741,348.54 - Step 5: Solve for x
x = 63,981,741,348.54/313,682.91 - Step 6: Final answer
x = 203,969.48
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1.5x scale
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.