Finding the Fourth Proportional to 313,874.19, 470,871.87 and 133,956.99
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Solution
The fourth proportional to 313,874.19, 470,871.87 and 133,956.99 is: 200,961.34
Step by Step Solution
- Step 1: Write the proportion equation
313,874.19 : 470,871.87 = 133,956.99 : x - Step 2: Convert to fraction form
313,874.19/470,871.87 = 133,956.99/x - Step 3: Cross multiply
313,874.19x = 470,871.87 × 133,956.99 - Step 4: Simplify right side
313,874.19x = 63,076,578,380.87 - Step 5: Solve for x
x = 63,076,578,380.87/313,874.19 - Step 6: Final answer
x = 200,961.34
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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.