Finding the Fourth Proportional to 313,471.80, 470,207.70 and 113,798.70
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Solution
The fourth proportional to 313,471.80, 470,207.70 and 113,798.70 is: 170,698.05
Step by Step Solution
- Step 1: Write the proportion equation
313,471.80 : 470,207.70 = 113,798.70 : x - Step 2: Convert to fraction form
313,471.80/470,207.70 = 113,798.70/x - Step 3: Cross multiply
313,471.80x = 470,207.70 × 113,798.70 - Step 4: Simplify right side
313,471.80x = 53,509,024,989.99 - Step 5: Solve for x
x = 53,509,024,989.99/313,471.80 - Step 6: Final answer
x = 170,698.05
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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.